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    • 25. 发明授权
    • Aqueous polymer dispersions having a long shelf life
    • 具有长保质期的聚合物水分散体
    • US4931494A
    • 1990-06-05
    • US210321
    • 1988-06-23
    • Gerhard AuchterThomas SchwerzelRolf OsterlohGerhard NeubertPeter PfoehlerWolfgang DruschkeHelmut Jaeger
    • Gerhard AuchterThomas SchwerzelRolf OsterlohGerhard NeubertPeter PfoehlerWolfgang DruschkeHelmut Jaeger
    • C08F2/16C08K5/25C08L33/04C08L33/06C09J133/04C09J133/06
    • C08L33/064C08K5/25C09J133/06C08L33/06
    • Aqueous polymer dispersions which have a long shelf life are obtainable by dispersing a mixture of from 15 to 70% by weight of a copolymer (A) of(I) from 1.5 to 15% by weight of copolymerizable compounds of 3 to 10 carbon atoms which contain a carboxyl or carboxylic anhydride group,(II) from 65 to 98.5% by weight of C.sub.1 -C.sub.20 -alkyl acrylates or methacrylates,(III) from 0 to 20% by weight of vinylaromatics,(IV) from 0 to 20% by weight of copolymerizable carbonyl compounds and(V) from 0 to 10% by weight of further copolymerizable organic compounds not stated under (I) to (IV), and from 30to 85% by weight of a copolymer (B) of from 60 to 100% by weight of the monomers (II) and from 0 to 40% by weight of the monomers (III) to (V), with the proviso that the copolymers (A) and (B) together contain, as components, more than 65% by weight of alkyl (meth)acrylates (II) whose homopolymers have glass transition temperatures of less than 0.degree. C., and that one or more of the copolymers (A) and (B) contain the monomers (IV) as components, in water with the addition of ammonia and a polyhydrazide (C), and the said dispersions are used as pressure sensitive adhesives and as adhesives for laminated films.
    • 通过将15〜70重量%的(I)共聚物(A)与1.5〜15重量%的3〜10个碳原子的可共聚的化合物分散而得到的具有长保存期限的聚合物水分散体可以得到, 含有羧基或羧酸酐基团,(II)65至98.5重量%的丙烯酸或甲基丙烯酸C 1 -C 20烷基酯,(III)0至20重量%的乙烯基芳烃,(Ⅳ)0至20重量% 可共聚羰基化合物的重量和(V)0至10重量%的(I)至(IV)中未提及的另外可共聚的有机化合物,以及30至85重量%的共聚物(B)为60至100 单体(II)的重量%和单体(III)至(V)的0至40重量%,条件是共聚物(A)和(B)共同作为组分含有超过65 重量%的其均聚物具有小于0℃的玻璃化转变温度的(甲基)丙烯酸烷基酯(II),以及一种或多种共聚物(A)和( B)在水中加入氨和聚酰肼(C)作为组分含有单体(Ⅳ),所述分散体用作压敏粘合剂和层压薄膜的粘合剂。
    • 28. 发明授权
    • Photopolymerizable composition containing a thioether sensitizer
    • 含有硫醚增感剂的光聚合组合物
    • US4054682A
    • 1977-10-18
    • US757382
    • 1977-01-06
    • Werner KuestersRolf OsterlohManfred Jacobi
    • Werner KuestersRolf OsterlohManfred Jacobi
    • C08F2/00C08F2/50C09D4/00C09D11/101G03F7/031G03F7/038C08F2/46C08F4/00
    • C09D11/101C08F2/50G03F7/031Y10S430/108Y10S430/122Y10T428/31525Y10T428/31529
    • A photopolymerizable composition containing olefinically unsaturated compounds, optional conventional additives and, as photoinitiator, a mixture of a thioether of the general formula (I): ##STR1## where R.sup.4 is phenyl, naphthyl, thienyl, furyl or styryl which may be substituted by one or more identical or different R.sup.5 's,R.sup.5 is phenyl, benzoyl, halogen, alkyl of 1 to 5 carbon atoms, alkyl having an --O--group and 1 to 5 carbon atoms, alkyl having an --S--group and 1 to 5 carbon atoms, alkoxyalkyl of 2 to 5 carbon atoms, alkaryl of 7 to 11 carbon atoms, aralkyl of 7 to 11 carbon atoms, NO.sub.2, CN, COOH or COOR.sup.6, R.sup.6 being an alkyl of 1 to 5 carbon atoms,A is the alkylene group C.sub.n H.sub.2n (n = an integer of 1 to 5) which may be substituted by one or more R.sup.4 's and/or R.sup.5 's, andR.sup.1, r.sup.2 and R.sup.3 may be identical or different and are each H, an R.sup.4 or an R.sup.5,and an organic amine.The photopolymerizable composition is suitable for the production of coatings and printing inks which can be cured by ultraviolet radiation.
    • 含有烯属不饱和化合物的可光聚合组合物,任选的常规添加剂和作为光引发剂的通式(I)的硫醚的混合物:其中R 4是苯基,萘基,噻吩基,呋喃基或苯乙烯基,其可以是 被一个或多个相同或不同的R5取代,R5是苯基,苯甲酰基,卤素,1-5个碳原子的烷基,具有-O-基和1-5个碳原子的烷基,具有-S-基团的烷基和1〜 2至5个碳原子的烷氧基烷基,7至11个碳原子的烷芳基,7至11个碳原子的芳烷基,NO 2,CN,COOH或COOR 6,R 6是1至5个碳原子的烷基,A是 可以被一个或多个R 4和/或R 5取代的亚烷基C n H 2n(n = 1〜5的整数),R 1,R 2和R 3可以相同或不同,各自为H,R4或R5, 有机胺。