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1. 发明公开

EP0008809A3 VESICULATED FIBRILS OF CROSSLINKED POLYESTER RESIN 失效
标题翻译：交联聚酯树脂的VESICULATED FIBRILS
公开(公告)号：EP0008809A3
公开(公告)日：1980-04-02
申请号：EP79103423
申请日：1979-09-12
申请人： DULUX AUSTRALIA LTD
发明人： GILLAN, JOHN , RICHARDS,COLIN MAXWELL
IPC分类号： C08F2/00 , C08F2/18 , C08G63/54 , C08J9/00 , C08L67/00 , C08L67/06 , D01D5/38 , D01F6/62 , C08F299/04
CPC分类号： D01F6/62 , C08G63/54 , D01D5/38 , Y10T428/2913 , Y10T428/2975 , Y10T428/2982
摘要： This invention relates to a novel product. fibrils of cross linked polyester resin having a vesiculated structure, and to a process of making them.
Vesiculated fibrils of crosslinked polyester resin of length 50 µm - 5cm, diameter 1 µm - 2mm and aspect ratio of 10-50 are prepared by pouring into water with stirring a selected solution in unsaturated monomer of a carboxylated unsatu rated polyester resin of acid value 10-90 mg KOH per g., the water containing both a base having a pK
b value of 8 max imum and a dispersion stabiliser, and initiating polymerisa tion. The polyester solution is selected for suitability for fibril formation by means of a buoyancy test.
The fibrils are useful in a number of applications, for example, as fillers for paints and putties, viscosity modifiers in liquids and replacements in some applications for fibrous mineral extenders such as asbestos.
摘要翻译：本发明涉及具有泡状结构的交联聚酯树脂的新产品，原纤维及其制备方法。长度为50μm-5cm，直径为1〜2mm，纵横比为10〜50的交联聚酯树脂的泡状原纤维通过在不饱和单体中的搅拌下倒入水中来制备，所述不饱和单体的羧酸不饱和聚酯树脂酸值为10-90mg KOH / g，含有pKb值最大为8的碱和分散稳定剂的水，并引发聚合。通过浮力试验选择聚酯溶液适合于原纤维形成。原纤维可用于许多应用，例如用作油漆和油灰的填料，液体中的粘度调节剂和用于纤维矿物填充剂如石棉的替代品。

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