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Composite materials molds of polypropylene and of calcium carbonate
Composite materials molds of polypropylene and of calcium carbonate
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机译:聚丙烯和碳酸钙的复合材料模具
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摘要
P the invention has for its object a process making it possible to increase the resistance to impact of composite materials of polypropylene resin charged with calcium carbonate, in particular, the resistance to impact at low temperature. / p & & p & this process consists in mixing of the particles of given size of resins of the homopolymer and copolymer of propylene and of calcium carbonate as filler for mixtures uniform, preferably in powder form, which is particularly suitable for operations of forming, for example, the injection moulding / p
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