1) protective colloid
胶体保护剂
1.
Thickener was prepared by non-soap emulsion polymerization with acrylic acid,acrylamide and n-butyl acrylate as monomers,polyvinyl alcohol as protective colloid,N,N′-methylene-bis-(acrylamide) as cross linker and potassium persulfate-sodium sulfoxylate as initiator.
以聚乙烯醇为胶体保护剂、N,N′-亚甲基双丙烯酰胺为交联剂,用过硫酸钾-亚硫酸钠引发丙烯酸、丙烯酰胺、丙烯酸丁酯进行无皂乳液聚合,以制备高性能的涂料印花增稠剂,所得产品稳定性好、增稠效果优良。
2.
Thickener was prepared by non-soap emulsion polymerization of acrylic acid and acrylamide with n-butyl acrylate as monomers,polyvinyl alcohol as protective colloid,N,N'-methylene-bis-(ac- rylamide)as cross linker and potassium persulfate-sodium sulfoxylate as initiator.
以聚乙烯醇为胶体保护剂、N,N′-亚甲基双丙烯酰胺为交联剂,用过硫酸钾-亚硫酸钠引发丙烯酸、丙烯酰胺、丙烯酸丁酯进行无皂乳液聚合,以制备高性能的涂料印花增稠剂。
3.
The stabilized reaction system were obtained,and the graft yield were increased by join the protective colloid.
通过理论设计选用丙烯酸丁酯、甲基丙烯酸、苯乙烯三种单体在廉价的氧化还原引发剂体系下与淀粉进行接枝,并加入胶体保护剂稳定反应体系,提高接枝效果。
2) colloid-protect reagent
胶体保护剂
1.
We utilized colloid-protect reagent in this paper,let it combined with hydroxyl group preventing colloid particles condensing and attained intrinsic structure in Si-sol.
本论文通过加入胶体保护剂,使之与硅溶胶表面的羟基相结合,使硅溶胶凝胶时胶粒羟基间无法脱水缩合,而以较完整的原纳米结构脱水胶凝,达到获得纳米产品的目的。
3) protective colloid
保护胶体
1.
Study on preparation of vinyl acetate-acrylate latex by HEC as protective colloid;
羟乙基纤维素添加在醋丙乳液中做保护胶体的初步研究
2.
Modifications of protective colloid in poly(vinyl acetate) emulsion;
聚醋酸乙烯乳液保护胶体的改性
3.
Research progress of protective colloid in emulsion polymerization;
乳液聚合中保护胶体的研究进展
4) Polymer protected metallic colloid
高分子保护胶体
5) protective film
保护胶带
1.
Study on acrylic emulsion pressure-sensitive adhesive for protective film;
表面保护胶带用聚丙烯酸酯乳液压敏胶的研究
6) protective colloid
保护胶
1.
Study on the emulsion polymerization of vinyl acetate with PAM, CMC and EC in place of PVA as protective colloid;
以PAM,CMC和EC代替PVA作醋酸乙烯酯乳液聚合保护胶体的研究
补充资料:保护胶体
分子式:
CAS号:
性质:为了提高憎液溶胶的稳定性,可向溶液中加入少量亲液胶体(大分子溶液)。这种亲液胶体能显著提高溶胶对电解质的稳定性,称其为保护作用。起保护作用的亲液胶体则称作保护胶体。因为这种保护作用是依靠大分子在胶体粒子的表面上形成有一定厚度的吸附层来提高胶体的稳定性,故又称为空间稳定性(steric stabili za-tion)。
CAS号:
性质:为了提高憎液溶胶的稳定性,可向溶液中加入少量亲液胶体(大分子溶液)。这种亲液胶体能显著提高溶胶对电解质的稳定性,称其为保护作用。起保护作用的亲液胶体则称作保护胶体。因为这种保护作用是依靠大分子在胶体粒子的表面上形成有一定厚度的吸附层来提高胶体的稳定性,故又称为空间稳定性(steric stabili za-tion)。
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参考词条