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    • 3. 发明授权
    • Acrylic fluorocarbon polymer containing coating
    • 含丙烯酸氟碳聚合物的涂层
    • US5629372A
    • 1997-05-13
    • US543770
    • 1995-10-16
    • Douglas R. AntonMichael J. DarmonWilliam F. GrahamRichard R. Thomas
    • Douglas R. AntonMichael J. DarmonWilliam F. GrahamRichard R. Thomas
    • C08F220/24C08F220/38C08G18/62C09D133/14C09D175/04C08L27/12
    • C08G18/6287C08G18/6279
    • A clear coating composition containing about 45-80% by weight of a binder and 20-55% by weight of an organic liquid; wherein the binder contains(A) about 40-90% by weight, based on the weight of the binder, of an acrylic polymer containing polymerized hydroxyl containing monomers of the following group of hydroxy alkyl acrylate or methacrylates having 1-4 carbon atoms in the alkyl group, and polymerized alkyl acrylates and methacrylates having 1-18 carbon atoms in the alkyl groups, or styrene or any mixtures of the above and 0.1-5.0% by weight, based on the weight of the acrylic polymer, of polymerized fluoroalkyl containing monomer represented by the formula ##STR1## where R is hydrogen or an alkyl group having 1-2 carbon atoms, n is an integer of 1-11 and R.sub.f is a fluoroalkyl containing group having at least 4 carbon atoms and (B) about 10-60% by weight, based on the weight of the binder, of an organic polyisocyanate crosslinking agent; and where a cured layer of the coating composition has a combination of a water advancing contact angle of at least 100.degree. and a hexadecane contact angle of at least 40.degree..A process for making the acrylic fluorocarbon polymer and articles coated with the composition also are part of this invention.
    • 含有约45-80重量%粘合剂和20-55重量%有机液体的透明涂料组合物; 其中所述粘合剂含有(A)约40-90重量%,基于粘合剂的重量,含有聚合的羟基的丙烯酸类聚合物的丙烯酸类聚合物,所述聚合的含羟基的单体在下述基团中具有1-4个碳原子的丙烯酸羟烷基酯或甲基丙烯酸酯 烷基和在烷基中具有1-18个碳原子的聚合的丙烯酸烷基酯和甲基丙烯酸烷基酯,或苯乙烯或上述的任何混合物和基于丙烯酸类聚合物的重量0.1-5.0重量%的聚合的含氟烷基的单体 其中R为氢或具有1-2个碳原子的烷基,n为1-11的整数,Rf为含有至少4个碳原子的含氟烷基基团,(B)为约10- 60重量%,基于粘合剂的重量;有机多异氰酸酯交联剂; 并且其中涂料组合物的固化层具有至少100°的进水接触角和至少40°的十六烷接触角的组合。 制备丙烯酸氟碳聚合物和用该组合物涂覆的制品的方法也是本发明的一部分。
    • 9. 发明授权
    • Compositions of octafluorotrifluoromethylpentane and
nonafluorotrifluoromethylpentane and use thereof for cleaning solid
surfaces
    • 八氟三氟甲基戊烷和九氟三氟甲基戊烷的组合物及其用于清洁固体表面的用途
    • US5076956A
    • 1991-12-31
    • US621335
    • 1990-11-29
    • Douglas R. Anton
    • Douglas R. Anton
    • C11D7/26C11D7/28C11D7/50
    • C11D7/261C11D7/5018C11D7/5081C11D7/5086C11D7/5095C11D7/263C11D7/264C11D7/266C11D7/28
    • Mixtures of the two fluorocarbon compounds 1,1,2,2,3,5,5,5-nonafluoro-4-trifluoromethylpentane and 1,1,1,2,2,5,5,5-octafluoro-4-trifluoromethylpentane with alcohols, ethers, esters, ketones, nitrogen-containing organic compounds, and halogenated hydrocarbons are disclosed; as is a process for cleaning a solid surface which comprises treating the surface with said mixtures. Ternary mixtures of about 88 to 96 weight percent total of said two fluorocarbon compounds with methanol (including at least about 11 weight percent 1,1,1,2,2,3,5,5,5-nonafluoro-4-trifluoromethylpentane and at least about 13 weight percent 1,1,1,2,2,5,5,5-octafluoro-4-trifluoromethylpentane) and with ethanol (including at least about 28 weight percent 1,1,1,2,2,3,5,5,5-nonafluoro-4-triluoformethylpentane and at least about 16 weight percent 1,1,1,2,2,5,5,5-octafluoro-4-trifluoromethyl-pentane) are disclosed as quasiazeotrope compositions that are useful where recovery and reuse of solvents is practiced.
    • 两种碳氟化合物1,1,2,2,3,5,5,5-九氟-4-三氟甲基戊烷和1,1,1,2,2,5,5,5-八氟-4-三氟甲基戊烷的混合物与 醇,醚,酯,酮,含氮有机化合物和卤代烃; 清洁固体表面的方法也是如此,其中包括用所述混合物处理表面。 所述两种碳氟化合物与甲醇(包括至少约11重量%的1,1,1,2,2,3,5,5,5-九氟-4-三氟甲基戊烷)的总共约88至96重量%的三元混合物, 至少约13重量%的1,1,1,2,2,5,5,5-八氟-4-三氟甲基戊烷)和乙醇(包括至少约28重量%的1,1,1,2,2,3, 5,5,5-九氟-4-三氟甲基戊烷和至少约16重量%的1,1,1,2,2,5,5,5-八氟-4-三氟甲基 - 戊烷)作为可用的升华酸组合物 其中实施溶剂的回收和再利用。