发明授权
US4784724A Making paper which has a high dry strength 失效
制作干燥强度高的纸张

Making paper which has a high dry strength
摘要:
Paper having a high dry strength is made using water-soluble homopolymers of salts or quaternary 1-vinyl-2-imidazolines and copolymers of these salts or quaternary compounds with acrylamide and/or methacrylamide as agents for increasing the dry strength of paper.
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