专利名称:VULCANIZING RUBBER 申请号:JP7195872
申请日:19720718
检讨书反省自己字的成语公开号:JPS4834953A
第三人称转述句
公开日:
红色美甲图片>余华名言
19730523
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再回兴义忆耀邦摘要:1402852 Bonded cords NATURAL RUBBER PRODUCERS RESEARCH ASSOCIATION 18 July 1972 [19 July 1971] 33843/71 Heading D1T [Also in Division C3] Cords are bonded to rubber by heating under pressure in contact with a rubber mix comprising two ts of vulcanizing ingredients, namely (a) one for a sulphur vulcanising system and (b) the other for a nitroso vulcanising system, there being at least one unsubstituted or substituted monitrosophenal and at least one di- or poly-isocyanate, the ratio of the vulcanising potentials of t (a) to t (b) being from 99.9:0.1 to 0.1:99.9. In example 7, nylon and rayon cords, optionally dipped in an RFL dip, and heat treated, or optionally dipped and heat treated polyester cords, are bonded to natural rubber formulations containing the diurethane from 4-nitrosophenol and toluene 2, 4-diisocyanate and 4, 4'-di-isocyanatodiphenylmethane.
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