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US4128524A Composites of metal-modified urea-melamine-formaldehyde resins and fillers 失效
金属改性脲 - 三聚氰胺 - 甲醛树脂和填料的复合材料

Composites of metal-modified urea-melamine-formaldehyde resins and
fillers
摘要:
A composite molded product comprising a pressure molded and cured product of(a) expanded perlite particles; and(b) a metal-modified urea-melamine-formaldehyde resin; optionally containing an inorganic or organic fiber with or without a filler, and a method for producing the same.
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