发明名称 |
STABILISANTS POUR LES RESINES SYNTHETIQUES |
摘要 |
Stabilisers for vinyl resins, partic PVC, consists of granules contg. particles of a basic lead salt of an inorg. acid, bonded into granules by a liquid binder which consists of a >=10C fatty acid, liquid at ambient temp. a mixture of fatty acids contg. is not >40% wt. of is not >8C acids or a liquid phenol. The quantity of binder is 5-20% of the basic lead salt and its its m.pt. is 25 degrees C, the liquid binder opt. contains >=4% of a plasticiser, chlorinated hydrocarbon or liquid lubricant for PVC in sufficient quantity to raise the softening pt. of rigid PVC. Among the pref. constits. are cabbage palm copra fatty acid and para-nonylphenol. The Vicat softening pt. of the PVC composition is >=82.7 degrees C which is the figure obtd. using dry powdered tribasic lead sulphate. The stabilisers disperse readily in the PVC. |
申请公布号 |
BE804901(A1) |
申请公布日期 |
1974.01.02 |
申请号 |
BE19730135693 |
申请日期 |
1973.09.14 |
申请人 |
ASSOCIATED LEAD MANUFACTURERS LTD, CLEMENTS HOUSE, 14-18, GRESHAM STREET, LONDON E.C.2V 7AT, (GR.-BR.), |
发明人 |
D.G. PEARSON;D. YOUD |
分类号 |
B28B1/52;C08K9/08 |
主分类号 |
B28B1/52 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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