In this paper, a series of low cross-linking polyurethanes are synthesized using polycaprolacton or polybutamethylene adipate or polyethylene-propylene adipate, MDI and glycerin. Their mechanical, thermal and dynamical properties and shape memory function are studied.

采用聚己二酸乙丙二醇酯久久精品人妻人妇电影系列影院、聚己二酸丁二醇酯、聚己內(nèi)酯和 4夜间福利av，4'-二苯基甲烷二異氰酸酯為原料超碰在线91av，以丙三醇為交聯(lián)劑合成了一系列低度交聯(lián)的聚氨酯，討論了組成中文国产原创在线观看网站视频、配比等對(duì)性能的影響影音先锋欧美一区二区，比較了它們和線型聚氨酯在性能上的差別。

The reactions of ethylenedinitrourea with ethylenediamine or with polyether were studied.

根據(jù)乙撐二硝基脲降解生成乙撐二異氰酸酯中間體的性質(zhì)欧美洲视频在线观看，研究了它與乙二胺的反應(yīng)日韩av.www，并進(jìn)行了硝化反應(yīng)研究。

Main Ingredients: Water,Hamamelis Virginiana Water,Glycerin,Propylene Glycol,Gm Euglena Gracilis Polysaccharide,Betaine,Aloe Barbadensis Leaf Juice,Hydrolyzed Wheat Protein,Sodium Pca,Tocopheryl Acetate,Polysorbate 20,Creatine,Hyaluronic Acid.

主要成分：去離子水性一交一乱一轮，金縷梅蒸餾液日韩精品影视系列在线播放视频免费，甘油，丙二醇在线观看国产日韩精品专区AV，細(xì)小裸藻多糖啊啊啊~轻点插，甜菜堿，蘆薈葉提取物搡女网站，水解小麥蛋白国模人体超大尺度私拍，吡咯烷酮羧酸鈉，生育酚乙酸酯人人操人人看人人玩人人爱，聚山梨醇酯-20性生活无码黄色，肌酸，透明質(zhì)酸欧美黄色一级线上免费播放，乙二胺四乙酸四鈉性爱爱视频网站，香精，苯氧乙醇国产农村妇女打一炮，辛二醇国产足交丝袜美女视频网站，山梨酸。

An experiment was conducted to study the antifeeding effects of ethanol, ethyl acetate and water solutions of linoleic acid, pimelic acid, suberic acid, azelaic acid, and n-nonanoic acid against imago of Pissodes punctatus. Absolute antifeeding rate and relative antifeeding rate were used to appraise the antifeeding effects of organic acids.

為了尋找華山松木蠹象(Pissodes punctatus Langor et Zhang)環(huán)境友好的防治方法精品99污，研究了亞油酸日韩在线www.、庚二酸、辛二酸日韩午夜在线资源精品视频观看、壬二酸免费毛片在线播出、壬酸的酒精溶液日韩欧美不卡黄、乙酸乙酯溶液和水溶液對(duì)華山松木蠹象成蟲的拒食作用，采用了完全拒食蟲率與相對(duì)拒食率來(lái)評(píng)價(jià)有機(jī)酸的拒食效果私库AV操一操人人操。

Ingredients: Water,Hamamelis Virginiana Water,Glycerin,Propylene Glycol,Glyceryl Polymethacrylate,Betaine,Aloe Barbadensis Leaf Juice,Hydro-lyzed Wheat Protein,Sodium Pca,Tocopheryl Acetate,Polysorbate 20,Creatine,Hyaluronic Acid,Tetrasodium Edta,Perfume,Phenoxyethanol,Caprylyl Glycol,Sorbic.

成分：去離子水日韩孕妇自拍视频网站大全在线观看，金縷梅蒸餾液，甘油蛋蛋福利导航，丙二醇日本www免费观看，甘油聚甲基丙烯酸酯，甜菜堿日韩欧美女自拍图片视频网站在线观看，蘆薈葉提取物黄色网址免费呀，水解小麥蛋白，吡咯烷酮羧酸鈉国产第一视频毛片，生育酚乙酸酯思思热在线免费观看，聚山梨醇酯-20，肌酸欧美视频二区网站，透明質(zhì)酸欧美黄色视频欧美黄色视频，乙二胺四乙酸四鈉，香精18禁止黄片，苯氧乙醇6080免费毛片，辛二醇，山梨酸激情免费视频。

Ingredients: water,glycerin,caprylic/capric triglyceride,cetyl alcohol,squalane,glyceryl stearate,panthenol,betaine,dimethicone,lavandula angustifoliaoil,allantoin,carbomer,xanthan gum,parfum,triethanolamine,tocopheryl acetate,hyaluronic acid,methyl paraben,propyl paraben,creatine,tetrasodium edta,phenoxyethanol,caprylyl glycol,sorbic.

成分：去離子水亚洲美女淫荡视频，甘油，辛酸/葵酸三甘油酯无码精品一区二区福利视频，鯨蠟醇99re视频这里只精品，角鯊?fù)椋仓岣视王ゾ镁镁返缬熬镁茫捍佳侵夼访佬园耘模鸩藟A，聚二甲基硅氧烷中文强奸视频网址，薰衣草精油国产精品自拍自产，尿囊素，卡波姆久久坐盗欧美自制性爱视频，漢生膠一级黄啊啊啊啊网站，香精，三乙醇胺日韩毛片免费一区二区，生育酚乙酸酯一级性爱视频免费，透明質(zhì)酸，對(duì)羥基苯甲酸甲酯，對(duì)羥基苯甲酸丙酯18岁进看的黄色网站，肌酸火热福利视频导航，乙二胺四乙酸四鈉，苯氧乙醇人人操黄色，辛二醇黄网站中文字幕，山梨酸。

Ingredients:Water,Glycerin,Caprylic/Capric Triglyceride,Myristyl Myristate,Butyrosper-mum Parkii Butter,Glyceryl Stearate,Panthenol,Betaine,Dimethicone,Oiea Europaea Oil,Allantoin,Polysorbate-60,Carbomer,Xanthan Gum,Parfum,Triethanolamine,Tocopheryl Acetate,Hyaluronic Acid,Methyl Paraben,Propyl Paraben,Creatine,Tetrasodium Edta,Phenoxyethanol,Caprylyl Glycol,Sorbic.

成分：去離子水九九精品在线观看，甘油官方网a片视频播放，辛酸/葵酸三甘油酯，肉豆蔻酸肉豆蔻酯欧美成年人片免费，乳木果油亚洲国产福利精品，硬脂酸甘油酯91三级毛片在线观看不卡无风险，泛醇免费人成在线观看网址，甜菜堿，聚二甲基硅氧烷无码粉嫩小泬无套在线观看免费，橄欖油国产又狠又黄精品视频，尿囊素，聚山梨醇酯-60亚洲中文久久精品无码无卡，卡波姆特级黄色一级片，漢生膠，香精717理论午夜福利电影，三乙醇胺又硬又大又爽又无遮挡的视频，生育酚乙酸酯，透明質(zhì)酸欧美特级婬片免费播放口，對(duì)羥基苯甲酸甲酯国产精品大陆，對(duì)羥基苯甲酸丙酯，肌酸亚洲中文字幕一区二区三区营，乙二胺四乙酸四鈉国产乱轮性爱，苯氧乙醇，辛二醇欧美性爱网站啊啊啊，山梨酸欧美性爱男人皇宫。

Ingredients: Water,Glycerin,Caprylic/Capric Triglyceride,Myristyl Myristate,Butyrospermum Parkii Butter,Glyceryl Stearate,Panthenol,Betaine,Dimethicone,Hydrolyzed Collagen,Allantoin,Polysorbate-60,Carbomer,Xa-nthan Gum,Parfum,Triethanolamine,Tocopheryl Acetate,Hyaluronic Acid,Methyl Paraben,Propyl Paraben,Creatine,Tetrasodium Edta,Phenoxyethanol,Caprylyl Glycol,Sorbic.

成分： 去離子水，甘油一级无码操B免费视屏，辛酸/葵酸三甘油酯8090yy成年在线看片A片，肉豆蔻酸肉豆蔻酯，乳木果油美女被操下面，硬脂酸甘油酯日本三级a网站，泛醇，甜菜堿，聚二甲基硅氧烷亚洲精品第2页，水解膠原蛋白亚洲444444k在线观看，尿囊素，聚山梨醇酯-6091人妻PORNY九色最新社区，卡波姆国产自，漢生膠，香精丝袜剧情国产AV办公室，三乙醇胺国产美女一级黄色牲交视频，生育酚乙酸酯，透明質(zhì)酸91插插插插，對(duì)羥基苯甲酸甲酯亚洲最大偷拍视频，對(duì)羥基苯甲酸丙酯，肌酸一级迷奸影院，乙二胺四乙酸四鈉一区二区三区亚洲欧美日韩人色，苯氧乙醇，辛二醇国产在线观看麻豆，山梨酸国产欧美一区。

A series of polyether based polyurethaneurea aqueous dispersions with well-defined hard segments were prepared by fractional steps with polyether polyol, 4,4'-diphenylmethane diisocyanate, dimethylolpropionic acid, 1,4-butanediol, isophorone diisocyanate and ethylenediamine.

以二苯基甲烷二異氰酸酯、二羥甲基丙酸人人人人操人人干、1国产视频十一区，4-丁二醇、異佛爾酮二異氰酸酯和乙二胺為硬段日本超碰人人操人人摸人人干，聚醚多元醇為軟段99re66精品视频在线观看，通過(guò)分子設(shè)計(jì)采用分步合成法，制備了具有規(guī)整硬段和良好分散性能的聚醚型聚氨酯脲水分散液在线观看国产对白视频网站大全下载。

A series of polyether based polyurethaneurea aqueous dispersions with well-defined hard segment s were prepared by fractional steps with polyether polyol, 4,4′-diphenylmethane diisocyanate,dimethylolpropionic acid,1,4-butanediol,isophorone diisocyanate and ethylenediamine.

以二苯基甲烷二異氰酸酯97碰碰碰无码视频、二羥甲基丙酸、1日韩一级黄片中文字幕在线观看，4-丁二醇玖玖视频在线久色6、異佛爾酮二異氰酸酯和乙二胺為硬段，聚醚多元醇為軟段欧美性爱精品影库，通過(guò)分子設(shè)計(jì)采用分步合成法男人禁黄色视频，制備了具有規(guī)整硬段和良好分散性能的聚醚型聚氨酯脲水分散液。