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    • 3. 发明授权
    • Process for producing raw rubber
    • 生橡胶生产工艺
    • US5585459A
    • 1996-12-17
    • US241714
    • 1994-05-12
    • Yasuyuki TanakaYuichi HiokiMasaharu HayashiNaoya IchikawaToshiaki Sakaki
    • Yasuyuki TanakaYuichi HiokiMasaharu HayashiNaoya IchikawaToshiaki Sakaki
    • C08C1/04C08C1/14C08C1/15
    • C08C1/15C08C1/04C08C1/14
    • A process for producing raw rubber from a deproteinized natural rubber is disclosed, which comprises coagulating rubber particles in the deproteinized natural rubber latex by: (1) adding a nonionic surfactant having a cloud point of from 20.degree. to 100.degree. C. and a molecular weight of 300 or more to the deproteinized natural rubber latex and heating the latex to a temperature not lower than the cloud point of the nonionic surfactant; or (2) adding a coagulation assistant selected from the group consisting of: (a) an anionic surfactant, (b) an amphoteric surfactant, (c) a nonionic surfactant, (d) a nonionic or amphoteric oligomer or polymer, and (e) an anionic oligomer or polymer, to the deproteinized natural rubber latex; and then recovering the coagulated rubber particles. According to the process of the present invention, raw rubber containing substantially no metal ion can be produced with a high efficiency.
    • 公开了一种从脱蛋白天然橡胶生产生橡胶的方法,其包括:通过以下步骤将脱蛋白天然橡胶胶乳中的橡胶颗粒凝结:(1)加入浊点为20至100℃的非离子表面活性剂和分子 重量为300以上的脱蛋白天然橡胶胶乳,并将胶乳加热至不低于非离子表面活性剂的浊点的温度; 或(2)加入选自以下的凝血助剂:(a)阴离子表面活性剂,(b)两性表面活性剂,(c)非离子表面活性剂,(d)非离子或两性低聚物或聚合物,和 )阴离子低聚物或聚合物; 然后回收凝固的橡胶颗粒。 根据本发明的方法,可以高效率地生产基本上不含金属离子的生橡胶。
    • 7. 发明授权
    • Effect enhancer for agricultural chemical
    • 农药效果增强剂
    • US06313074B1
    • 2001-11-06
    • US09462269
    • 2000-04-03
    • Tadayuki SuzukiMasaharu HayashiKazuhiko KuritaYuichi Hioki
    • Tadayuki SuzukiMasaharu HayashiKazuhiko KuritaYuichi Hioki
    • A01N2530
    • A01N31/02A01N25/30Y10S514/975
    • There are provided an effect enhancer for an agricultural chemical and an a chemical formulation which is not pharmaceutically harmful to various crops and can be safely used and which has an excellent effect enhancing function to various agricultural chemicals. The effect enhancer for the agricultural chemical comprises, as an effective component, a compound represented by the following formula (I): R—O[(EO)x(PO)y](EO)z—H, wherein EO is an oxyethylene group; PO is an oxypropylene group; R is a straight-chin or branched alkyl group or alkenyl group having 6 to 30 carbon atoms; x is a value of 1 to 30 on the average; y is a value of 1 to 30 on the average, and z is a value of 1 to 30 on the average. The agricultural chemical formulation composes the above-mentioned surfactant and a technical grade of active ingredient or an active compound for an agricultural chemical.
    • 提供了一种农药的效果增强剂和对各种作物不具有药学上有害作用并且可以安全使用且对各种农药具有优异的增效作用的化学制剂。 作为农药的效果增强剂,作为有效成分,含有由下式(I)表示的化合物:R-O [(EO)x(PO)y](EO)z-H,其中EO为氧化乙烯基; PO是氧化丙烯基; R为碳原子数为6〜30的直链或支链烷基或烯基; x的平均值为1〜30; y平均为1〜30,平均为z为1〜30。 农业化学制剂组成上述表面活性剂和农药的活性成分或活性化合物的工业级。