Standard No.:	GB/T 4617-1984
English Name:	Phenolic mouldings;Determination of acetone-soluble matter
Chinese Name:	酚醛模塑制品丙酮可溶物的测定
Chinese Classification:	G32    Synthetic resin and plastic
Professional Classification:	GB    National Standard
ICS Classification:	83.080.10 83.080.10    Thermosetting materials 83.080.10
Issued by:	China State Bureau of Standards
Issued on:	1984-07-30
Implemented on:	1985-5-1
Status:	superseded
Superseded by:	GB/T 4617-2009 Plastics—Phenolic mouldings—Determination of acetone-soluble matter
Superseded on:	2010-2-1
Language:	English
File Format:	PDF
Word Count:	1000 words
Price(USD):	184.00
Delivery:	via email in 1~3 business day

本标准规定了用丙酮在其沸点附近从磨细的酚醛模塑制品试样中，测定可抽提物数量的重量法。本标准等效于ISO 59-1976《塑料-酚醛模塑制品-丙酮可溶物的测定》。丙酮可溶物试验是一种测定由酚醛模塑料制成酚醛模塑制品相对固化度的方法。抽提过程应在指定条件下，于规定时间内进行。虽然测定了可溶物的大部分，但抽提作用不一定完全，其结果仅是一个比较的结果，因为抽提物常常含有未固化树脂以外的物质(如润滑剂、着色剂和增塑剂)。