辛酸亚锡

发泡试验结果表明，H－420对辛酸亚锡用量适应范围较宽。该匀泡剂已在软泡生产中应用，生成的泡沫，其主要性能与采用进口品的相当。

The experimental results show that H-420 is suitable for flexible foams with wider attitude of stannous octoate , the properties of foams using H-420 are similar to the imported one .

并以其为聚合反应的单体，用辛酸亚锡做引发剂，在现有真空条件下，开环聚合生成聚乳酸。

Secondly , the ring opening polymerization of lactide was carried out in the bulk by initiating with stannous octoate .

本文报道聚乙二醇（PEG）在辛酸亚锡存在下与丙交酯（LA）反应合成PEG-PLA嵌段共聚物，用~（13）cNMR测定了共聚物的结构，估算了平均链段长度。

PEG-PLA block copolymers were synthesized using polyethylene glycol ( PEG ) and lac-tide ( LA ) in the presence of low toxic stannous octoate . The copolymer structure was determined by 13C NMR and the average block leng this were calculated .

以POSS-OH为核引发剂，在辛酸亚锡催化下，通过与ε-己内酯的活性开环聚合（ROP），合成了以POSS-OH为核的星形PCLs。

With POSS-OH as core initiator , stannous octoate as catalyst , star PCLs were synthesized by ring-opening polymerization ( ROP ) of ε - caprolactone .

以辛酸亚锡为催化剂，通过本体开环聚合合成了不同摩尔比的DL丙交酯乙交酯（DLLAGA）共聚物（PDLLGA）。

Poly ( DL-lactide-co-glycolide )( PDL-LGA ) copolymers with different DL-lactide / glycolide ( DL-LA / GA ) mole ratios were prepared by bulk ring-opening copolymerization of DL-LA with GA using tin octoate ( Sn ( Oct ) 2 ) as catalyst .

辛酸亚锡制备工艺研究

Research on the Preparation Process of Stannous Octanoate

加入催化剂，用量为反应物重量的1%，其中液体的辛酸亚锡用量为反应物体积的1%。

Then add catalyst with 1 % weight of reactant , ( stannous octanoate with 1 % volume of reactant );

以乌桕二聚酸甲酯和乙二醇为原料，辛酸亚锡为催化剂，合成了聚氨酯用聚酯二醇。

Employing stannous octoate as catalyst , polyester-diol for polyurethane was synthesized based on the dimeric acid methyl ester and ethylene glycol .

单体重结晶次数、辛酸亚锡浓度、聚合时间等条件均是影响聚合物特性粘数的重要因素。

The key factors affecting the polymer intrinsic viscosity were found to be monomer recrystallization times , stannous octoate concentration and polymerization time .

然后以辛酸亚锡为催化剂，以开环聚合的方法合成了聚L-乳酸，研究了催化剂的用量、聚合时间、聚合温度对聚L-乳酸摩尔质量的影响。

Influence factors such as the quantity of catalyst , the polymerization temperature , the polymerization time on the molecular weight of PLLA were also discussed .

首先通过正交实验较系统的研究了合成工艺，包括三种不同催化剂（锌粉、乙酸铜及辛酸亚锡）用量、脱水温度及裂解温度对产物收率的影响；

First , effects of synthesis parameters on the yield were investigated by orthogonal experiments , such as catalyst types and dosage , dewater temperature and decomposition temperature .

研究还发现，以异辛酸亚锡为催化剂的磷酸酯单体的聚合速率与磷酸酯单体的侧基、环取代基密切相关，而且可以方便利用聚磷酸酯侧基对高分子进行功能化修饰。

It has also been found that , the polymerization rate of cyclic phosphoester monomer is highly depended on the structure of pendant side group and the ring substituent group when using stannous octoate as the catalyst .

并以辛酸亚锡为引发剂，采用本体开环聚合反应成功地合成了聚乙醇酸、乙交酯／丙交酯及乙交酯／ε-己内酯等聚合物。

Details of the synthesis polyglycolic acid ( PGA ) were described , as well as a series of glycolide / latide and glycolide / ε - caprolactone copolymers by a ring-opening polymerization of glycolide , lactic and e - caprolactone upon initiation with an appropriate amount of stannous octoate .

本文首次采用高纯度乳酸、乙醇酸直接缩聚合成无催化剂的端羧基PLGA，并分别采用了低毒性辛酸锌代替辛酸亚锡为催化剂通过开环聚合法合成端羧基／酯封端PLGA。

In this article , high-pure lactic acid and ethanol acid were used to synthesized PLGA by direct condensation polymerization , and zinc octanoate of low nocuity was used as katalyst , instead of stannous octanoate to synthesize PLGA by the way of opening ring .