申请人:Labaz
公开号:US04057530A1
公开(公告)日:1977-11-08
New stabilizers of polymers and co-polymers of vinyl chloride, the said stabilizers being 2-phenyl-indole derivatives corresponding to the formula: ##STR1## wherein R represents a phenyl radical, an amino group, optionally substituted by an acetyl or benzoyl radical, a mercapto group, optionally substituted by a branched-or straight-chain alkyl group containing from 1 to 12 carbon atoms or by a cyclohexyl radical, a carboxyl radical, a radical represented by the formula: R.sub.1 O-- wherein R.sub.1 represents a hydrogen atom, an isopropyl, carboxymethyl, carbethoxymethyl, carbethoxyisopropyl, acetyl, docosanoyl, benzoyl, benzyl, or allyl radical or a branched-or straight-chain alkyl radical containing from 6 to 12 carbon atoms.
新型稳定剂用于聚合物和氯乙烯共聚物,所述稳定剂为与下式对应的2-苯基吲哚衍生物:##STR1## 其中R代表苯基基团,氨基团,可选地由乙酰基或苯甲酰基取代,巯基,可选地由含有1至12个碳原子的支链或直链烷基基团或环己基基团取代,羧基基团,由下式表示的基团:R.sub.1 O--其中R.sub.1代表氢原子,异丙基,羧甲基,羧乙氧甲基,羧乙氧异丙基,乙酰基,二十二烷酰基,苯甲酰基,苄基或烯丙基基团或含有6至12个碳原子的支链或直链烷基基团。