Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1981-04-29
1982-12-28
Cockeram, H. S.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
264176F, 428375, 428378, 428403, 428407, 4284231, 4284752, 523205, 528 48, 65 343, C08G 1830
Patent
active
043662870
ABSTRACT:
The process comprises mixing chopped glass fibres with plastics-forming ingredients and moulding or forming the mixture to obtain reinforced plastics articles. The invention lies in the use of chopped glass fibres in filamentary form. Conveniently the glass fibres are first made into a slurry or paste, which forms the aspect of the invention, with a liquid compatible with the plastics-forming ingredients or with all or a part of one or more of the ingredients. The invention includes a novel form of chopped glass fibres formed from glass strand bound with a size containing as the main ingredient one component of a plastics-forming mixture or a derivative thereof. It also includes apparatus for mixing the glass fibre paste or slurry with plastics-forming ingredients by impingement mixing.
The invention is of special use for reinforcing with glass fibres plastics articles, especially polyurethane plastics articles, formed by a Reaction Injection Moulding (RIM) process.
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patent: 4160073 (1979-07-01), Lloyd-Lucas et al.
The Manufacturing Technology of Continuous Glass Fibres, Loewenstein, Elserier, Amsterdam (1973), pp. 19, 192, 198, 211-214, 217-224 and 228.
Cockeram H. S.
Imperial Chemical Industries Limited
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