Process for preparing high-purity cyclopropyl methyl ketone
    21.
    发明授权
    Process for preparing high-purity cyclopropyl methyl ketone 失效
    制备高纯度环丙基甲基酮的方法

    公开(公告)号:US6045662A

    公开(公告)日:2000-04-04

    申请号:US033071

    申请日:1998-03-02

    摘要: A process for preparing high-purity cyclopropyl methyl ketone from compositions which contain cyclopropyl methyl ketone, 4,5-dihydro-2-methylfuran, addition products of 4,5-dihydro-2-methylfuran by a continuous rectification process in which at least a portion of the composition to be purified is introduced into a rectification apparatus via a side feed located above the bottom portion of the apparatus.

    摘要翻译: 从含有环丙基甲基酮,4,5-二氢-2-甲基呋喃,通过连续精馏方法的4,5-二氢-2-甲基呋喃的加成产物的组合物制备高纯度环丙基甲基酮的方法,其中至少一种 要净化的组合物的部分经由位于装置的底部上方的侧进料引入精馏装置。

    Heat-curing, one-component adhesives which are based on polyurethanes, a
process for their preparation, and their use
    26.
    发明授权
    Heat-curing, one-component adhesives which are based on polyurethanes, a process for their preparation, and their use 失效
    基于聚氨酯的热固化单组分粘合剂,其制备方法及其用途

    公开(公告)号:US5916629A

    公开(公告)日:1999-06-29

    申请号:US893685

    申请日:1997-07-11

    摘要: Heat-curing one-component adhesives which are based on polyurethanes derived from A) a hardener component comprising polyaddition products containing hydroxyl and uretdione groups, B) a binder component comprising 1,2-epoxide compounds having more than one 1,2-epoxide group and one or more hydroxyl groups in the molecule, optionally C) further hydroxyl-containing compounds and optionally D) auxiliaries and additives known from adhesives technology; a process for preparing these compounds and to their use as heat-curing, one-component, solvent-free, thermally stable and solvent-resistant polyurethane (PU) adhesives which do not give off elimination products.

    摘要翻译: 基于衍生自A)包含含有羟基和脲二酮基团的加聚产物的固化剂组分的基于聚氨酯的热固化单组分粘合剂,B)包含具有多于一个1,2-环氧基的1,2-环氧化合物的粘合剂组分 和分子中的一个或多个羟基,任选地C)还含有羟基的化合物和任选的D)由粘合剂技术已知的助剂和添加剂; 制备这些化合物的方法及其用作热固化,单组分,无溶剂,热稳定和耐溶剂的聚氨酯(PU)粘合剂,其不产生消除产物。

    Tire tread of diene rubber, and naphthenic and/or paraffinic oil, or
aromatic oil and mineral filler
    27.
    发明授权
    Tire tread of diene rubber, and naphthenic and/or paraffinic oil, or aromatic oil and mineral filler 失效
    二烯橡胶轮胎胎面,环烷和/或石蜡油,或芳香油和矿物填料

    公开(公告)号:US5905112A

    公开(公告)日:1999-05-18

    申请号:US832547

    申请日:1997-04-02

    申请人: Walter Hellermann

    发明人: Walter Hellermann

    CPC分类号: C08K5/01 B60C1/0016

    摘要: A tire comprising a tire tread and a tire tread is disclosed wherein the tire tread is prepared from a tread rubber such as an AB block copolymer comprising from 40 to 80%-wt of block A obtained from butadiene having a uniformly distributed vinyl group content of from 8 to 60%-wt based on the total block A content, and from 20 to 60%-wt of block B derived from butadiene, isoprene and styrene; and a combination of naphthenic and/or paraffinic oil and a filler of carbon black, a mineral filler such as silica or a mixture thereof, or a blend of an aromatic oil and a mineral filler.

    摘要翻译: 公开了一种包括轮胎胎面和轮胎胎面的轮胎,其中轮胎胎面由诸如AB嵌段共聚物的胎面橡胶制备,所述AB嵌段共聚物包含40至80重量%的由均匀分布的乙烯基含量的丁二烯获得的嵌段A 基于总嵌段A含量为8至60重量%,衍生自丁二烯,异戊二烯和苯乙烯的嵌段B为20至60重量%; 以及环烷和/或石蜡油和炭黑填料,矿物填料如二氧化硅或其混合物,或芳族油和矿物填料的共混物的组合。

    Fluoroalkyl-functional organopolysiloxane-containing compositions
    30.
    发明授权
    Fluoroalkyl-functional organopolysiloxane-containing compositions 失效
    含氟烷基官能的含有机聚硅氧烷的组合物

    公开(公告)号:US5863509A

    公开(公告)日:1999-01-26

    申请号:US94501

    申请日:1998-06-10

    摘要: An aqueous alcoholic fluoroalkyl functional group containing organopolysiloxane-composition, comprising:organopolysiloxanes of formula I:RO�Si(A)(CH.sub.3).sub.z (OR).sub.1-z O!.sub.a �Si(B)(R.sup.2).sub.y (OR).sub.1-y O!.sub.b �Si(C)(CH.sub.3)O!.sub.c �Si(D)(OR)O!.sub.d R.multidot.(HX) (I)wherein A is an aminoalkyl radical derived from the compound of formula II:H.sub.2 N(CH.sub.2).sub.f (NH).sub.g (CH.sub.2).sub.h Si(OR).sub.3-z (CH.sub.3).sub.z (II)wherein 0.ltoreq.f.ltoreq.6, 9=0 if f=0 and g=1 if f>0, 0.ltoreq.h.ltoreq.6 and 0.ltoreq.z.ltoreq.1, and B is a fluoroalkyl radical derived from the compound of formula III:R.sup.1 --Y--(CH.sub.2).sub.2 Si(R.sup.2).sub.y (OR).sub.3-y (III)wherein R.sup.1 is a mono-, oligo- or perfluorinated alkyl group having 1-9 C atoms or a mono-, oligo- or perfluorinated aryl group, Y is a CH.sub.2, O or S group, R.sub.2 is a linear, branched or cyclic alkyl group having 1-8 C atoms or an aryl group and 0.ltoreq.y.ltoreq.1, and C is an alkyl radical derived from the compound of formula IV:R.sup.3 --Si(CH.sub.3)(OR).sub.2 (IV)and D is also an alkyl radical derived from the compound of formula V:R.sup.3 --Si(OR).sub.3 (V)wherein R.sup.3 in the preceding formulae is in each case identical or different, and is a linear, branched or cyclic alkyl group having 1-8 C atoms, R in the preceding formulae is in each case identical or different, and is a linear, branched or cyclic alkyl group having 1-8 C atoms or an aryl group, and HX is an acid, in which X is an inorganic or organic acid radical, and 0.ltoreq.y.ltoreq.1, 0.ltoreq.z.ltoreq.1, a>0, b>0, c.gtoreq.0, d.gtoreq.0, e.gtoreq.0 and (a+b+c+d).gtoreq.2.

    摘要翻译: 含有有机聚硅氧烷组合物的含水醇氟代烷基官能团包括:式I的有机聚硅氧烷:RO [Si(A)(CH3)z(OR)1-zO] a [Si(B)(R2)y(OR) yO] b [Si(C)(CH3)O] c [Si(D)(OR)O] dRx(HX)(I)其中A是衍生自式II化合物的氨基烷基:H 2 N(CH 2)f (NH)g(CH 2)h Si(OR)3-z(CH 3)z(II)其中0 0,则g = R =(Y) - (CH 2)2 Si(R 2)y(OR)3-y (III)其中R1是具有1-9个C原子的单,低聚或全氟烷基或单,低聚或全氟化的芳基,Y是CH 2,O或S基团,R 2是直链,支链 或具有1-8个碳原子或芳基且0≤y≤1的环状烷基,C是衍生自式IV化合物的烷基:R3-Si(CH3)(OR)2( IV),D也是衍生自式V化合物的烷基:R3-Si(OR)3(V)其中前述通式中的R 3在每种情况下均为 或具有1-8个C原子的直链,支链或环状烷基,前述式中的R各自相同或不同,为具有1-8个C原子的直链,支链或环状烷基 或芳基,并且HX是酸,其中X是无机或有机酸基团,并且0≤y≤1,0≤z≤1,a> 0,b> 0 ,c> / = 0,d> / = 0,e> / = 0和(a + b + c + d)> / = 2。