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    • 17. 发明申请
    • DIP-FORMING LATEX, DIP-FORMING COMPOSITION AND DIP-FORMED ARTICLE
    • DIP-FORMING LATEX,DIP成型组合物和DIP形成的制品
    • WO2003072619A1
    • 2003-09-04
    • PCT/JP2003/002252
    • 2003-02-27
    • ZEON CORPORATIONOTA, HisanoriAIHARA, ShunjinKODAMA, Kazumi
    • OTA, HisanoriAIHARA, ShunjinKODAMA, Kazumi
    • C08F236/12
    • C08L13/02A61B42/00C08F236/12C08F2/22
    • A dip-forming latex obtained by copolymerization of (a) 50-89.5 weight parts of a conjugated diene monomer, (b) 10-40 weight parts of an ethylenically unsaturated nitrile monomer, (c) 0.5-10 weight parts of an ethylenically unsaturated acid monomer and (d) 0-20 weight parts of other copolymerizable ethylenically unsaturated monomer (the total of these monomers is 100 weight parts), wherein the copolymerization is initiated with a monomer mixture comprising at least 80 wt.% of (a), at least 50 wt.% of (b), 10-90 wt.% of (c) and least 80 wt.% of (d), and thereafter, the remainders of monomers are added to a polymerization system to continue copolymerization. This latex gives a dip-formed article exhibiting good softness of touch, high tensile strength and good retention of close fittingness.
    • 通过(a)50-89.5重量份的共轭二烯单体,(b)10-40重量份的烯键式不饱和腈单体,(c)0.5-10重量份的烯属不饱和腈单体共聚获得的浸渍形成胶乳 酸性单体和(d)0-20重量份的其它可共聚的烯键式不饱和单体(这些单体的总量为100重量份),其中共聚由包含至少80重量%的(a), (b)的至少50重量%,(c)的10-90重量%和(d)的至少80重量%,然后将剩余的单体加入到聚合体系中以继续共聚。 该胶乳产生显示良好的触感柔软度,高拉伸强度和良好保持贴合性的浸渍成型制品。
    • 19. 发明申请
    • RUBBER COMPOSITION CONTAINING METAL SALT OF ETHYLENICALLY UNSATURATED CARBOXYLIC ACID
    • 含有乙烯基不饱和羧酸的金属盐的橡胶组合物
    • WO98044036A1
    • 1998-10-08
    • PCT/JP1998/001303
    • 1998-03-25
    • C08K5/098C08L15/00C08F236/12C08K5/09C08K5/14
    • C08L15/005C08K5/098
    • A cross-linking rubber composition comprising a highly saturated nitrile copolymer rubber, a metal salt of an alpha , beta -ethylenically unsaturated carboxylic acid, and an organic peroxide, wherein the copolymer rubber has a Mooney viscosity of 5 to 135 realized by reducing the viscosity by at least 15 points by applying a high shearing force thereto in the presence of an antioxidant, a molecular weight distribution (Mw/Mn) of 3.0 to 5.0, and a Mooney viscosity increase of not larger than 10 points realized by leaving the copolymer rubber to stand at room temperature for 30 days after the reduction of the Mooney viscosity. Rubber materials (such as belts, rolls and hoses) obtained by cross-linking this composition have improved strengths.
    • 一种交联橡胶组合物,其包含高度饱和的腈共聚物橡胶,α,β-烯属不饱和羧酸的金属盐和有机过氧化物,其中共聚物橡胶的门尼粘度为5〜135,通过降低粘度 通过在抗氧化剂存在下施加高剪切力至少15点,分子量分布(Mw / Mn)为3.0-5.0,门尼粘度增加不大于10分,通过使共聚物橡胶 在门尼粘度降低后在室温下静置30天。 通过交联该组合物获得的橡胶材料(例如带,辊和软管)具有改进的强度。