GLASS POLYALKENOATE DENTAL CEMENTS BASED ON PHYSICAL BLENDS OF POLY(ACRYLIC ACID) AND POLY(VINYL PHOSPHONIC ACID)

被引：2

作者：

AKINMADE, AO ^{[1
]}

BRAYBROOK, JH ^{[1
]}

NICHOLSON, JW ^{[1
]}

机构：

[1] KINGS COLL,SCH MED & DENT,DENT BIOMAT UNIT,LONDON SE5 9PJ,ENGLAND

来源：

POLYMER INTERNATIONAL | 1994年 / 34卷 / 01期

关键词：

POLY(ACRYLIC ACID); POLY(VINYL PHOSPHONIC ACID); GLASS POLYALKENOATE CEMENT; POLYMER BLEND;

D O I：

10.1002/pi.1994.210340111

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Physical blends of spray-dried poly(acrylic acid), PAA, with poly(vinyl phosphonic acid), PVPA, have been prepared and used in experimental dental cements by mixing them with basic sub-45 mum acid-degradable fluoro-aluminosilicate glass powders and adding water. The effect of varying the ratio of PAA to PVPA, of altering the molar mass of PAA, and of using glasses of differing basicity have been investigated. The compressive strengths of the best of the cements formed from these blends were comparable to those formed from the individual polyacids, i.e. about 160 MPa.

引用

页码：81 / 88

页数：8

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