最新一级电影黄色图片一级片_日韩成熟性爱电影_欧美成人在线观看aaa_亚洲成人免费资源网_美女福利在线亚洲男女爱_亚洲一级黄片AAA色_亚洲日韩α级无码大片_欧美AAAAAA免费黄片_中文无码人妻AV在线_欧美成人在线第二页

Shanghai Holdenchem CO.,Ltd.

上海浩登材料股份有限公司

Shanghai Holdenchem CO.,Ltd.

Supplier of special and functional chemicals

Supplier of Fortune 500 companies

Mobile version_Shanghai Holdenchem CO.,Ltd.

Categories

Contact us

Shanghai Holdenchem Co., Ltd.
Hotline: 400-011-7633
Fax: +86-21-62112613
E-mail: sales@holdenchem.com

Aziridine series polymer

Poly(ethylenimine) (PEI)

CAS NO. 9002-98-6
Alias Poly(ethylenimine)
Molecular formula

C2H5N

Molecular weight 43.06
Structural formula Poly(ethylenimine) (PEI)
Storage Keep away from light
Application 1. Highly adherent and adsorptive amino groups can react with carboxyl groups to form hydrogen bonds. Amino groups can react with carboxyl groups to form ionic bonds. Amino groups can react with carbonyl groups to form covalent bonds. Poly(ethylenimine) due to its polar group (amino group) And hydrophobic (vinyl) structure, can be combined with different substances. With these combined strength, can be widely used in the field of inks, coatings, adhesives, etc.?
2. Highly cationic Poly (ethylenimine) in water In the presence of polymeric cations, it can neutralize and adsorb all anionic substances, and can also chelate heavy metal ions. With its high degree of cationicity, it can be used in paper water treatment, electroplating bath, dispersant field.
3. Reactive Poly(ethylenimine) Due to the highly reactive primary and secondary amines, it can easily react with epoxy, acid, isocyanate compounds and acid gases. This property can be used as epoxy Resin reactant, aldehyde adsorbent and dye fixing agent.
Security

HS Code: 3911900090 
Hazard Class Code: R22 
Safety Instructions: S26-S36 
Dangerous Goods Sign: Xn: Harmful;

Purchase Products
Hotline:400-0117-633
Product name :
  *
Company:
  *
Name:
  *
Tel:
  *
E-mail:
  *
Messages:
Verify:
點擊刷新

GO
TOP

主站蜘蛛池模板: 国产无码另类中出| 日本黄色视频免费一区| 免费电影黄片国产中文a| 亚洲少妇唯美免费观看高清视频 | 日韩性爱一区二区三区四区五区| 一级无码黄色影片| 蜜桃牛牛无码人妻| 情侣嗯啊视频自拍偷拍精品网 | 国产高清AV在线播放| 人妻亂日韩区在线| 成人免费av一区二区| 无码av一级欧美日韩99大| 日韩久久精品一区二区| 亚洲AⅤ欧美AⅤ综| 侵犯人妻一二三区电影| 日日夜夜五月欧美女在线91| 黄色大全免费观看日本| 日韩在线看a国产超碰在线网| 亚州男人AV久久草在线成人| 免费观看毛片亚洲人妻少妇| 亚洲成人免费高清无码黄色电影| 亚州无码成人激情视频| 成人无码Aⅴ免费视频在线| 五月婷婷精品a爱看黄片| 国产精品无人区无码| 亚洲午夜福利成人免费在线观看| A级毛片18以上免费现看| 毛片片网址视频片| 人人看人人干人人操| 高清无码无限制久久精品V| 一级黄色片免费看电影| 啊啊啊久久久大奶av| 亚洲AV无码一区二区三区动漫| 久久国产精品视频| av操毛久久日韩性91| 欧美人妻高清第二区| 青春草视频国产中文| 岛国一级小视频特片无码| 日韩三级片电影网站| 最新日韩AV在线| 亚洲色情乱伦中文|