s****7
发帖数: 1873 | 1 刚搬了家，马上要装修，大冬天又不方便一直开窗。 家里有个强过敏的小孩子。所以
对贴地版的胶水很谨慎。（只能选择胶水粘地板了，房间高度太低决定的，其他非实木
地板
不考虑了）。
有没有同学对于这边胶水有研究的，那些号称安全的真的就安全么？
我刷了一次家，用的油漆也是号称安全的，没有危害的。可是那个味道让我明显感到头
疼等不适，是不是就是里面的甲醛导致的呢？有没有懂行的同学有好的安全品牌推荐呢？
看到下面这个产品不错，不知道Polymer Based Wood Flooring Adhesive 里面Polymer
Based有什么特殊含义表示健康安全性么？
http://www.staufusa.com/index.php/259/smp-960-one-step.html?art
It is ozone and environmentally safe since it has no solvents or other
hazardous materials. It is certified 'green' and qualifies for LEED credits.
And it ... 阅读全帖 |
|
e**d
发帖数: 42 | 2 哪位大侠能帮忙找到这篇中国专利？先拜谢了。
Patent Information
Sep 16, 2015
CN 104910001
A
Faming Zhuanli Shenqing
7pp.
Patent
2015
CODEN:CNXXEV
Method for synthesizing 5-chloro-1-indanone
By: Xu, Wei; Wang, Yi; Zhan, Changjuan; Wang, Hua; Yang, Xiao
Assignee: Peop. Rep. China
Abstract:
The invention discloses a method for synthesizing 5-chloro-1-indanone, and
belongs to the field of org. synthesis. The method comprises the steps of:
carrying out a reaction between 3-chlorobenzaldehyde as raw material and
malonic a... 阅读全帖 |
|
g*****a
发帖数: 340 | 3 关于高分子自组合仿真的文章，投macromolecules被鄙视了，想换个，但最好得快点。
老板大撒把。。。
polymer
Acta Materialia
还有啥合适的？
摘要：
Verification of Numerical Simulation of the Self-assembly of Polymer-
polymer-solvent Ternary Blends on a Heterogeneously Functionalized Substrate
The directed self-assembly of polymer-polymer-solvent ternary blends on
heterogeneously functionalized substrate is investigated with a
three-dimensional numerical model. The numerical simulation results are
quantitatively verified by the experimental results. T... 阅读全帖 |
|
w********h
发帖数: 12367 | 4 not so easy to describe "一点法" here..
you can just borrow one experiment book in polymer science.
增比粘度:eta(sp)
特性粘数:[eta]
lim(eta(sp)/C)=lim(ln(eta(r))/C)=[eta]
C->0 C->0
eta(r)=eta/eta(0)
eta(sp)=eta(r)-1
eta is the viscosity of solution, eta(0) is the viscosity of solvent.
一点法 means that you can roughly think:
K'=0.3-0.4, K'+ beta=0.5 for linear flexible polymers in good solvents.
Then:
[eta]=(SQRT(2(eta(sp)-ln(eta(r)))/C)
If not,
you can first get gamma=k'/beta.
then, [eta]=(eta(s |
|
w********h
发帖数: 12367 | 5 Do you know any good solvent for polyisoprene?
And this solvent has a high boiling point (at least >200C)? |
|
b**s
发帖数: 589 | 6 The property most commonly relied upon to answer this question is solubility
behavior. Homopolymer blends and copolymers respond to extraction with
selective solvents and to solvent-nonsolvent fractionating techniques such as
fractional precipitation, column fractionating, and turbidometric situations.
These methods are simple and reasonably effective, particularly with systems
containing segments that differ significantly in their chemical structure
and/or physical state, e.g., polar-nonpolar |
|
z***x
发帖数: 9 | 7 I need the polymer for NMR analysis.
and we don't have recycle GPC in my lab. //sigh.
and the polyethylene I made is perfect linear and very low molecule weight.
one is around 600(Mn), the other is around 2000 (Mn).
I think the fractionation by suitable solvent will be the easist way to carry
out. then the problem will be what kind of solvent and temperature. I wonder
if anyone can give me some hints.
Thanks
的
CO
个
溶
the
weight |
|
b**s
发帖数: 589 | 8 Poly(methacrylic acid)
Poly(acrylic acid)
I guess
because DMF and DMSO are both their good solvents
I think you might calculate th solubility parameters of solvent and polymer,
make sure they match.
check out http://www.polysciences.com/ you will get some polymer standard
information |
|
w******r
发帖数: 43 | 9 transition between coil and globule with changing to quality of solvent has
been predicted by theory. B. Chu and he just showed the transtion by DLS. He
did this long time ago. But he characterized the exact transition temperature
of PNIPAM by using DLS. That was done by himself.
Anyway, he is cool. He has a paper about characterization of Teflon by using
fluorinated oligomer as solvent. If my memory is corrent, that is his PH.D.
Solution
大
的
变
问
化
分
构
分
系
多 |
|
t******l
发帖数: 3060 | 10 how you try the reaction?
that reaction should be easy.
is ur polymer dissolve in solvent?
since ur -OH group is not that steric hindered. the general mathod can be.
dissolve in Solvent like Acetonnitrile, add K2CO3, add such as 1-bromoHexane.
refluxing for 24h. that's it.
for more rigorous condition. u can use stronger base, like KtBuO. refluxing in
higher temp. |
|
c*******n
发帖数: 1648 | 11 I think centrifuging used to be a popular method for determiniing of M of
macromolecules.
A lot of old papers must have covered what you want to know. I have basic
principles of this method in a Chinese version Polymer Physics book, but no
details. For dilute solution, partial volume will not be very different from
volume in pure solvent. Maybe you can use volume for pure solvent:) |
|
c****n
发帖数: 134 | 12 Thanks a lot guys.
Chenchuan is right. DMSO is a better solvent for homoPVA, since PVA dissolves
much faster than in water (as I observed). One more fact:
polyisobutylene-b-poly(methyl vinyl ether) is soluble in water when DPn of PIB
is 50 and DPn of PMVE is 260. (PMVE is water soluble). Seems two factors work
together resulting the insolubility of the PIB-PVA in water: "This additional
kind of long range
orderness (from PIB) will make it more difficult to be attacked by solvent";
water is weak |
|
a***u
发帖数: 9 | 13 I am not sure if you have tried removing DMF or not. As I said before,
increasing the concentration of the polymer solution may be more helpful than
increasing the amount of CH3CN.If you start with a concentrated polymer
solution and add a lot of CH3CN into the solution but there is no
precipitation or the solution is only cloudy, that means CH3CN is not a poor
solvent for the polymer and it is better to follow the other person's
suggestion to try some other poor solvents.
As to your question, i |
|
w********h
发帖数: 12367 | 14 in these two days, I read more publications and book chapters.
some experimental hints were already there.
first of all,
SANS results showed a slight difference between Rg in theta solvents and in
melts. Kirste thought that's due to prefactor in the equation for deducing
Rg. (Kirste, R. G.; et al, 1975, Polymer)
second,
some recent results by Japanese researchers showed excluded volume effect
cannot be screened out until the short chain (as "solvent") molecular
weight Ns is higher than ~Ne, whic |
|
b*o
发帖数: 47 | 15
a
An interesting idea, but polymer chain in vacuum should actually act as in
very bad solvent - strong monomer-monomer attraction due to van der Waals
forces and no solvent translational entropy to swell it - resulting in a
collapsed globule - R~N^(1/3). |
|
w********h
发帖数: 12367 | 16 well,
(1)
when we talk about good or θ slovents, we mean we are in dilute limit.
In dilute solution with a Ns=1 (monomer solvent),
only Zimm model is applicable.
(2)
When Ns is no longer monomer solvent,
we need to use a boundary condition Ns^2< or >N(L) to define if this system is
Zimm or Rouse. Here still is dilute solution case.
That boundary condition is just to guarantee the hydrodynamics interaction
and excluded volume effect are screened out.
(3)
when Ns>Ne,
the thing is more complicated. |
|
c*******n
发帖数: 1648 | 17 Great summary, sounds very convincing for me. BTW: I have a interesting
question, you basically says that the scaling will be the same, but how about
the exact dimensions? For example, in monomer solvent and good solvent, the
scaling is the same, and the dimensions are the same or different?
real
polymer
But
my |
|
c*****e
发帖数: 238 | 18 Well, first I doubt the conclusion that the scaling is the same in
monomer solvent as in good solvent. It should be mentioned that the entropic
interactions generally lead to Gaussian chain behavior, it is the enthalpic
interactions that shift this scaling. Thus in the athermal solution, the
maximized entropy should give a Gaussian distribution.
Second, if the scaling is the same, then the dimension is the same, the
difference lies in the prefactor or higher order scalings, say
Rg\simN^(-1/2)+N^ |
|
w********h
发帖数: 12367 | 19 根据我的理解，这个correlation length (also screening length)意义为
长链分子中的重复单元感受到另外一条链的重复单元的最小长度。在这个长
度以内，所有的重复单元均为单一的polymer chain的monomer，超过这个长
度，此polymer chain开始感受到另外的polymer chain的存在。故而，在稀
溶液中ξ是和R同一个数量级，溶液浓度超过overlap concentration φ*的时
候，ξ随浓度下降（依赖性分θ-solvent和good solven之别），而R在good
solvent case对浓度有依赖性。
我的问题是，ξ和我们说的entanglement molecular weight有什么必然关系？
从感知另外一条链的存在到缠结之间的过程是什么？ |
|
m***n
发帖数: 266 | 20 Spin coating镀上去的polymer膜和substrate之间的附着力有多强？
为什么solvent rinse不会洗下来？solvent evaporation后形成的polymer膜呢？ |
|
w***o
发帖数: 3830 | 21 absolutely dry solvent
use purple bottle or solvent still
use Toluene or benzne, toluene is preferred coz u can cool it to -20
be careful, MAO在空气中smoke
might burn right away on the teflon u use to wrap your syringe
no need to use dry box if you have a shlenk line under Ar |
|
r******0
发帖数: 2753 | 22 来自主题: Macromolecules版 - 制膜求助 "Non-evaporative" solvent, like DMF (To most ppl, it is kind of
non-evaporative.), is ok for spin coating. Try mixture solvent first. I don't
think the spin speed will change the film quality too much. It changes the
thickness for sure.
但
候变 |
|
a*****c
发帖数: 3525 | 23 IR，left：3100－3000 cm-1 C-H (aromatic); 1600-1400 cm-1 C=C (aromatic)
right:3200-3600 cm-1 O-H; 2960-2850 cm-1, C-H (alkyl)
UV-vis, left: observable about 200-400 nm region;
right: almost none
1NMR, left: solvent: CDCl3/CD2Cl2/etc. ~7-8ppm, protons of phenyl ring,
~2-4ppm, of protons of the main chain.
right: solvent: D2O/CD3COCD3/(CD3)2SO/etc. proton of OH, and protons of
the main chain are different.
MS, fragments are different
elemental analysis, C, H.
and more if necessary. |
|
c*s
发帖数: 2145 | 24 is that suitable for tens of grams of PEG? I have no idea. My prior concern
is selective accumulation (not precipitation), but I have not found the
proper solvent/non-solvent. |
|
S*****n
发帖数: 6055 | 25 well, even if this method works, your Tg has to be in the range between RT
and boiling point of your solvent......
is
solvent
be |
|
r******0
发帖数: 2753 | 26 change solvent or use co-solvent. |
|
c*s
发帖数: 2145 | 27 Thanks for your infos, especially the monomers that can be polymerized via
atrp.
My difficulty here is that the first block is non-soluble in water, this is
fixed. I was just wondering how can I run aqueous ATRP with the oil soluble
macroinitiator.
For example, the first bloack is PnBA or PtBA.
Maybe I can use methanol as solvent and at higher temperature, it might be a
good solvent for both PtBA and PSS?
Any comments?
Thanks a lot
酸( |
|
t***u
发帖数: 20182 | 28 我从来没做过啊。找个篇文献，应该可以找到更多的。hexane boiling point 69oC,
THF 66, 不知道
能不能行。
n-Alkanes (heptane, octane, decane, and dodecane), N,N1-dimethylformamide,
N,N1-dimethylacetamide, and methyl ethyl ketone used
as selective solvents for the block copolymers were of AnalaR grade.
The micellar solutions were prepared by using tetrahydrofuran un-
I less stated otherwise. The block copolymers were first dissolved in
small amounts of tetrahydrofuran to which the selective solvent was
I subsequently added. Tetrahyd |
|
d**a
发帖数: 3715 | 29 Thank you. That is what I am thinking about. Last time too much solvent (50
mL of toluene) was added into the system. So next time I will try to run the
reaction in 1 g scale and use minimal amount of solvent.
dissolved |
|
l**********g
发帖数: 55 | 30 Thanks, so how can I calculate viscosity? mass ratio or?
because when i use DLS for a mixed solvent, i have to enter the viscosity
and RI of the mixed solvent, that is where my question comes from.
thanks again!! |
|
P******e
发帖数: 129 | 31 LOCATION: New Hampshire
SALARY: Depends on experience
REQUIREMENTS: Min.BS Chemistry with at least 10 years experience in the
lamination of plastic films using solvent and water-based adhesives.
Synthesis and polymer modification experience desired. Must have strong
written and verbal communication skills. Ability to work with people at all
levels.
DESCRIPTION: Person must have a strong background in the formulation
of solvent/water based adhesives. Coating/lamination are performed
usin |
|
m*****e
发帖数: 1506 | 32 dissolve in CH2Cl2 (or other solvents), dy over Na2SO4, remove solvent, dry
in vacuo.
washed |
|
g*****a
发帖数: 340 | 33 来自主题: Macromolecules版 - 帮忙选个杂志 关于高分子自组合仿真的文章，投macromolecules被鄙视了，想换个，但最好得快点。
老板大撒把。。。
polymer
Acta Materialia
还有啥合适的？
摘要：
Verification of Numerical Simulation of the Self-assembly of Polymer-
polymer-solvent Ternary Blends on a Heterogeneously Functionalized Substrate
The directed self-assembly of polymer-polymer-solvent ternary blends on
heterogeneously functionalized substrate is investigated with a
three-dimensional numerical model. The numerical simulation results are
quantitatively verified by the experimental results. T... 阅读全帖 |
|
w********h
发帖数: 12367 | 34 Rank Full Journal Title Journal Impact Factor
1 CHEMICAL REVIEWS 45.661
2 NATURE MATERIALS 36.425
3 Nature Nanotechnology 33.265
4 CHEMICAL SOCIETY REVIEWS 30.425
5 PROGRESS IN MATERIALS SCIENCE 25.870
6 ACCOUNTS OF CHEMICAL RESEARCH 24.348
7 Nature Chemistry 23.297
8 Nano Today 18.432
9 Annual Review of Materials Research 15.629
10 Energy & Environmental Science 15.490
11 ADVANCED MATERIALS 15.409
12 Advanced Energy Mate... 阅读全帖 |
|
k*******n
发帖数: 2399 | 35 I have been working on the dispersion and characterization of synthesized
SWNTs for a couple of monthes. In most cases, surfactant aided dispersion
by using water as solvent will give better signals compared with using organic
solvents like DMF, DMA. MWNT should not give appreciable signals, but DWNTs do.
Surfactants good for dispersion are DOC, sodium cholate, SDS, et. al.. If
you still did not get nice spectra, your SWNTs might not be of high purity.
For some SWNTs, the remaining impurities li |
|
c******m
发帖数: 884 | 36 Hi, everyone,
I have a question about HPLC separation. Hope some experts can help me.
Thanks.
Why is there a shoulder on the peak? The compound is pure through NMR. It is
acidic compound, and I diluted it to 50 uM before the injection. It is an
analytical column (C18, 250 x 4.6 mm). Flow rate is 0.8 mL/min. I tried
different solvent systems such as MeOH, water, ACN and solvent with 0.1% TFA
, as well as different gradient programs, but the shoulder keeps coming out.
What is the problem?
I greatl |
|
e**********y
发帖数: 8 | 37 You were seeing a "break-through" of your compound on the column, which is
not unusual for hydrophillic compounds. That is, your analyte was not
completely focused on the column head, therefore some of it came off at the
solvent front (not retained), whereas the rest eluted at the proper
retention time. The solution to is problem is to (1) make your injection
solvent weaker by diluting your extracted sample in more water; and/or (2)
hold your gradient at low organic for some time (say 15-30 seco |
|
s********3
发帖数: 40 | 38 前几天面试遇到一个题，觉得自己答的不是很好，贴出答案，求板上高人指出问题。
题目是“Give you a small molecular compound and there is no label on it. How
could you analysis it by HPLC with UV detector? ”然后我问的能用LC-MS么，HM
答的是，it's depends on you,当时就无语了。
我简单的回忆了一下答的内容，欢迎大家指出问题，顺带说一下下次遇到这问题该怎么
答啊。。。
First, I will try my best to collect more information about this compound if
it is allowed, such as, where it is from, what it is used for, is it a
finished products or raw material etc. Typically talk to the end user of
this compound, or the ups... 阅读全帖 |
|
c*s
发帖数: 2145 | 39 to seperate thiol capped nanoparticles, I think you can use
several methods.
1. add some solvents to make phase seperation, commonly used
solvents such as methanol, acetone or iso-propanol, this
method usually works, if th esolution is rotary evaporate
first, th eeffect is better
2. you can dialysis th esolution first to remove some
by-product, such as salts(supposed there exists some salts
in th esolution) after that, the particle became instable
and precipitate occurs, then you can use centrig |
|
i**********g
发帖数: 159 | 40 Don't do it.
Acetone is solvent and it might be bad for the seals (depends on what
material is the seal made of).
Just take it off and clean it with acetone/ brake cleaner/ lacquer thinner
or whatever you solvent you have. Replace all the gaskets since you are
getting there already. Good maintenance is insurance to the vehicle. |
|
X*****s
发帖数: 2767 | 41 http://acurapharm.com/products/acurox-without-niacin-tablets/
今天仔细把上面链接里的材料看过了，主要是对比generic的Roxicodone®
Tablets和该公司的Acurox® Tablets，注意到两句话
“For the Drug Liking Emax, Roxicodone® Tablets had statistically
significant difference (p<0.0001) in mean like/dislike score (93.4) compared
to Acurox® Tablets (70.6).”
和
“generic oxycodone HCl tablets are easily (ease/difficulty rating = 1)
dissolved in water in less than 10 minutes for potential abuse via IV
injection. The drug concentr... 阅读全帖 |
|
d**********2
发帖数: 684 | 42 【 以下文字转载自 History 讨论区 】
发信人: dollyparton2 (dollyparton), 信区: History
标 题: 宋美龄１９４３在美国联席国会的讲演（全版录音和英文稿）
发信站: BBS 未名空间站 (Tue Nov 1 10:12:41 2011, 美东)
请帮忙转MILITARY版。
为了忠于历史，我特意上传英文原版影音和英文稿。请注意这个稿子是宋亲自准备的，
是历史上第二个女性有机会在美国国会演讲，也是第一个中国人这样做。这个讲演有重
要的史学意义. 请别忘了，她是当时代表整个中国来作这个讲演的。在抗战的早期，她多次去前线劳军，冒生命危险，数次受伤。她和努力和民国政府给当代的PRC留下了如：联合国发起国，联合国安理会常任理事国，也培养许多世界一流的科学家和艺术家，包括两弹元勋等。这些历史贡献是超越意识形态的。
片断:
录音全版：
2-1:
2-2:
讲演原文(全)
Addresses to the House of Representatives and to the Senate, February 18,
1943.
by Soong M... 阅读全帖 |
|
d**********2
发帖数: 684 | 43 【 以下文字转载自 History 讨论区 】
发信人: dollyparton2 (dollyparton), 信区: History
标 题: 宋美龄１９４３在美国联席国会的讲演（全版录音和英文稿）
发信站: BBS 未名空间站 (Tue Nov 1 10:12:41 2011, 美东)
请帮忙转MILITARY版。
为了忠于历史，我特意上传英文原版影音和英文稿。请注意这个稿子是宋亲自准备的，
是历史上第二个女性有机会在美国国会演讲，也是第一个中国人这样做。这个讲演有重
要的史学意义. 请别忘了，她是当时代表整个中国来作这个讲演的。在抗战的早期，她多次去前线劳军，冒生命危险，数次受伤。她和努力和民国政府给当代的PRC留下了如：联合国发起国，联合国安理会常任理事国，也培养许多世界一流的科学家和艺术家，包括两弹元勋等。这些历史贡献是超越意识形态的。
片断:
录音全版：
2-1:
2-2:
讲演原文(全)
Addresses to the House of Representatives and to the Senate, February 18,
1943.
by Soong M... 阅读全帖 |
|
F*V
发帖数: 3978 | 44 挪威杀人狂在宣言中多处提到中国 (2011-08-15 17:41:27)转载▼
信源：张翼博客｜编辑：2011-07-27｜
While a significant number of citizens in Islamic or Muslim countries are
directly hostile to Europeans, Chinese are usually just after your money. It
is unbearable to live the rest of your life in a country where there is a
constant and an overwhelming danger of being “Shanghaied”. My stepmother
was the Norwegian Vice Counsul in Shanghai and I know several Europeans
working there. They are willing to “cope” for the duration of thei... 阅读全帖 |
|
d**********2
发帖数: 684 | 45 请帮忙转MILITARY版。那里有许多SB上贴伪造的翻译，比如这个：
＂笑掉大牙，大家来看下宋的国会演讲词by dafemrenla (dafemrenla):
http://www.mitbbs.com/article_t/Military/36667199.html
为了忠于历史，我特意上传英文原版影音和英文稿。请注意这个稿子是宋亲自准备的，
是历史上第二个女性有机会在美国国会演讲，也是第一个中国人这样做。这个讲演有重
要的史学意义. 请别忘了，她是当时代表整个中国来作这个讲演的。在抗战的早期，她多次去前线劳军，冒生命危险，数次受伤。她和努力和民国政府给当代的PRC留下了如：联合国发起国，联合国安理会常任理事国，也培养许多世界一流的科学家和艺术家，包括两弹元勋等。这些历史贡献是超越意识形态的。
片断:
录音全版：
2-1:
2-2:
讲演原文(全)
Addresses to the House of Representatives and to the Senate, February 18,
1943.
by Soong May-ling
Mr. Speaker and Memb... 阅读全帖 |
|
z******i
发帖数: 721 | 46 别忘了，那时美国的排华法案还没废除（美龄讲演后，加上中美已成为反法西斯同盟，
才废除的），美国妇女获得投票权还没多少年，大概国会里没几个女议员。她是历史上
第一个中国人，也是第二个女性在美国联席国会讲演。在她的１０分钟讲演中,气震山
河，多次被两会议员全体起来长时间的鼓掌所打断。
中国人需要是这样的人格，而不是戏子国母如泼妇江青，大嘴彭丽远！
real clip:
http://www.youtube.com/watch?v=xNHhalyFxQk
Full audio:
http://www.youtube.com/watch?v=61bV9-zeCrA
都是国母，差别怎么就那么大呢？
speech text:
Mr. Speaker and Members of the congress of the United States:
At any time it would be a privilege for me to address Congress, more
especially this present august body which will have so muc... 阅读全帖 |
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c*******7
发帖数: 3763 | 47 这个American Academy of Environmental Medicine还真的不是被学术界正式
accredited的组织。
你自己看看这个链接吧：
http://www.sciencebasedmedicine.org/?p=2564
Environmental Medicine – Not Your Average Specialty
I recently received an announcement for a conference on “Inflammation and
Autoimmunity.” The topic sounded interesting, but as I read further I saw
some red flags:
A gathering of healthcare leaders with a shared vision.
This event focuses on the the [sic] true causes and effects of inflammatory
and autoimmune diseases, ... 阅读全帖 |
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w*********r
发帖数: 42116 | 48 标准的说法是,
not involve modern synthetic inputs such as pesticides and chemical
fertilizers.
not contain genetically modified organisms.
and not be processed using irradiation, industrial solvents, or chemical
food additives.
肉类, Certified organic meat, poultry, dairy and eggs have been fed
certified organic food, and are not medicated. 必须用ORGANIC的饲料.
现在更讲究了, 还要free-range或者pasture-fed, OMEGA 3多, OMEGA 6少. |
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c**i
发帖数: 6973 | 49 (1) Russia's defense (as well as civilian) industry was decimated.
Russian Helicopters Are Back. Strategy Page, Apr 25, 2011.
http://www.strategypage.com
/htmw/htairfo/articles/20110425.aspx
("Total annual production of all these companies had collapsed to less than
a hundred helicopters in the 1990s, mostly for export. Four years ago,
annual production passed a hundred again, and it continues to grow, but not
enough to keep all these firms solvent")
(2) I re-read the Global Times report yesterd... 阅读全帖 |
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r******t
发帖数: 673 | 50 Medicare to be broken in 2024
The most recent Medicare Trustees Report shows that despite dramatic changes
made by the Affordable Care Act, the federal health program is only
projected to remain solvent until 2024.
While this represents an improvement from the previous estimate of 2016, the
relative lack of progress was blamed on a sluggish economy and higher-than-
expected expenses.
“Without the Affordable Care Act, the outlook for the Hospital Insurance
Trust Fund today would be much worse, sa... 阅读全帖 |
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