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    • 2. 发明授权
    • Shaped articles
    • 形状文章
    • US5061556A
    • 1991-10-29
    • US482986
    • 1990-02-22
    • Bernhard DotzauerWilhelm F. BeckerleHans-Juergen DenuKurt WendelManfred Schwartz
    • Bernhard DotzauerWilhelm F. BeckerleHans-Juergen DenuKurt WendelManfred Schwartz
    • C04B41/48C04B41/63
    • C04B41/009C04B41/483C04B41/63
    • A shaped article is obtainable by impregnating or coating a preform composed in the main of mineral fibers, nonfibrous mineral fillers and starch with a composition which contains a binder comprising a copolymer composed ofa) 60-95% by weight of methyl methacrylate (monomer I),b) 5-40% by weight of acrylic or methacrylic acid (monomer II)c) 0-35% by weight of one or more acrylic esters of a C.sub.1 -C.sub.8 -alkanol (monomer III),d) 0-5% by weight of a copolymerizable olefinically polyunsaturated monomer (monomer IV), ande) 0-5% by weight of another copolymerizable monomer (monomer V)in polymerized form, the weight percentages of monomers I, II, III and V having been selected within the stated limits in such a way that a polymer composed of these monomers only would have a glass transition temperature of from 60.degree. to 125.degree. C.
    • 可以通过浸渍或涂覆以矿物纤维,非纤维矿物填料和淀粉为主成分的预型体,其中含有包含由以下组成的共聚物的组合物的组合物可获得成型制品:a)60-95重量%的甲基丙烯酸甲酯(单体I ),b)5-40重量%的丙烯酸或甲基丙烯酸(单体II)c)0-35重量%的一种或多种C1-C8-链烷醇(单体III)的丙烯酸酯,d)0-5 可共聚的烯属多不饱和单体(单体IV)的重量%,以及e)0-5重量%的聚合形式的其它可共聚单体(单体V),已经选择了单体I,II,III和V的重量百分数 在所述限度内,使得由这些单体组成的聚合物仅具有60至125℃的玻璃化转变温度。
    • 3. 发明授权
    • Polymer-coated precast concrete
    • 聚合物涂层预制混凝土
    • US5215827A
    • 1993-06-01
    • US802397
    • 1991-12-04
    • Bernhard DotzauerEckehardt WistubaManfred SchwartzRolf PetriBertold BechertHans-Juergen Denu
    • Bernhard DotzauerEckehardt WistubaManfred SchwartzRolf PetriBertold BechertHans-Juergen Denu
    • C04B41/48C04B41/63C09D133/06
    • C04B41/009C04B41/483C04B41/63C09D133/062C04B2111/00586C04B2111/21Y10T428/31855
    • Precast concrete which is coated with a copolymer A with a glass transition temperature of rom -25.degree. to +30.degree. C. and composed ofa) from 0.1 to 10% by weight of a monomer of the formula I ##STR1## where R.sup.1 and R.sup.2 are each --H or C.sub.1 -C.sub.4 -alkyl, R.sup.3 is a bridge of from 1 to 20 carbons,R.sup.4 is --C(O)R.sup.6, --C(O)OR.sup.6 or -CNR.sup.5 is --H, --C(OR)R.sup.9, --C(O)OR.sup.9 or --CNX is --O-- or --NR.sup.7 --,Z is a single bond, --CH.sub.2 --, --O--, --NR.sup.8 -- or --O--C(O)-- andR.sup.6, R.sup.7, R.sup.8 and R.sup.9 are each --H, alkyl, aryl, alkaryl or aralkyl of up to 12 carbons,b) from 85 to 99.9% by weight of at least two monomers selected from the group comprising esters of acrylic and methacrylic acid with alcohols containing from 1 to 24 carbons, vinyl esters of carboxylic acids containing from 1 to 20 carbons, vinylaromatic compounds containing up to 20 carbons, ethylenically unsaturated nitriles containing from 3 to 6 carbons, vinyl halides, non-aromatic hydrocarbons containing from 2 to 8 carbons and at least one olefinic double bond andc) from 0 to 10% by weight of other copolymerizable tin-free monomers,is produced as described.
    • 涂有共聚物A的预制混凝土,其玻璃化转变温度为-25℃至+ 30℃,并由a)0.1至10重量%的式I的单体组成,其中R 1 且R 2为-C(O)R 6,-C(O)OR 6或-CN R 5为-H,-C(O) 或)R 9,-C(O)OR 9或-CN X为-O-或-NR 7 - ,Z为单键,-CH 2 - , - O - , - NR 8 - 或-OC(O) R 7,R 8和R 9各自为至多12个碳的-H,烷基,芳基,烷芳基或芳烷基,b)85至99.9重量%的至少两种选自丙烯酸和甲基丙烯酸的酯与含有醇的组的单体 1至24个碳原子,含有1-20个碳原子的羧酸乙烯基酯,含有至多20个碳的乙烯基芳族化合物,含有3-6个碳原子的烯键式不饱和腈,卤代乙烯,含有2-8个碳原子的非芳族烃,和 至少一个烯属双键和c)0至10 其他可共聚的无锡单体的重量%如上所述制备。