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    • 1. 发明授权
    • Crosslinked polyvinyl acetals
    • 交联聚乙烯醇缩醛
    • US07511096B2
    • 2009-03-31
    • US10542019
    • 2003-12-12
    • Bernd PapenfuhsMartin SteuerMatthias Gutweiler
    • Bernd PapenfuhsMartin SteuerMatthias Gutweiler
    • C08F8/00
    • C08F8/28C08F8/48C08F16/06C08F8/12C08F118/08
    • The invention relates to methods for producing crosslinked polyvinyl acetals, according to which a polyvinyl alcohol (A1) containing carboxyl groups is crosslinked by (i) reacting the polymer (A1) with at least one polyaldehyde of formula R9(CHO)n, and (ii) at least partly esterifying groups of formula (1) and formula (4a) with each other, said steps being performed in any order. The invention further relates to methods for producing crosslinked polyvinyl acetals, according to which a polyvinyl alcohol (A2) is crosslinked by (i) reacting the polymer (A2) with at least one compound of formula (6), (ii) adding at least one compound of formula (4b), (iii) adding a polyaldehyde of formula (5), and (iv) at least partly esterifying groups of formula (1) and structural units derived from the compound of formula (4b) with each other, the radicals R7, R8, R9, R10, and R11, and the index n being defined as indicated in the description. Also disclosed are the crosslinked polyvinyl acetals obtained by means of the inventive method and particularly appropriate areas of application of said polymers.
    • 本发明涉及交联聚乙烯醇缩醛的制备方法,根据该方法,含有羧基的聚乙烯醇(A1)通过(i)聚合物(A1)与至少一种式R9(CHO)n的多醛和( ii)至少部分酯化式(1)和式(4a)的基团彼此,所述步骤以任何顺序进行。 本发明还涉及生产交联聚乙烯醇缩醛的方法,其中聚乙烯醇(A2)通过(i)使聚合物(A2)与至少一种式(6)化合物反应而交联,(ii)至少加入 一种式(4b)的化合物,(iii)加入式(5)的聚醛,和(iv)至少部分酯化式(1)的基团和由式(4b)化合物衍生的结构单元彼此, 基团R 7,R 8,R 9,R 10和R 11,并且索引n如描述中所示定义。 还公开了通过本发明方法获得的交联的聚乙烯醇缩醛,特别适合所述聚合物的应用领域。
    • 2. 发明申请
    • Crosslinked polyvinyl acetals
    • 交联聚乙烯醇缩醛
    • US20060052533A1
    • 2006-03-09
    • US10542019
    • 2003-12-12
    • Bernd PapenfuhsMartin SteuerMatthias Gutweiler
    • Bernd PapenfuhsMartin SteuerMatthias Gutweiler
    • C08F8/00
    • C08F8/28C08F8/48C08F16/06C08F8/12C08F118/08
    • The invention relates to methods for producing crosslinked polyvinyl acetals, according to which a polyvinyl alcohol (A1) containing carboxyl groups is crosslinked by (i) reacting the polymer (A1) with at least one polyaldehyde of formula R9(CHO)n, and (ii) at least partly esterifying groups of formula (1) and formula (4a) with each other, said steps being performed in any order. The invention further relates to methods for producing crosslinked polyvinyl acetals, according to which a polyvinyl alcohol (A2) is crosslinked by (i) reacting the polymer (A2) with at least one compound of formula (6), (ii) adding at least one compound of formula (4b), (iii) adding a polyaldehyde of formula (5), and (iv) at least partly esterifying groups of formula (1) and structural units derived from the compound of formula (4b) with each other, the radicals R7, R8, R9, R10, and R11, and the index n being defined as indicated in the description. Also disclosed are the crosslinked polyvinyl acetals obtained by means of the inventive method and particularly appropriate areas of application of said polymers.
    • 本发明涉及交联聚乙烯醇缩醛的制备方法,根据该方法,含有羧基的聚乙烯醇(A1)通过(i)聚合物(A1)与至少一种式R 9的多醛 (CHO)n ,和(ii)使式(1)和式(4a)的基团至少部分酯化,所述步骤以任何顺序进行。 本发明还涉及生产交联聚乙烯醇缩醛的方法,其中聚乙烯醇(A2)通过(i)使聚合物(A2)与至少一种式(6)化合物反应而交联,(ii)至少加入 一种式(4b)的化合物,(iii)加入式(5)的聚醛,和(iv)至少部分酯化式(1)的基团和由式(4b)化合物衍生的结构单元彼此, 基团R 7,R 8,R 9,R 10和R 11, SUP>,并且索引n被定义为如说明书中所示。 还公开了通过本发明方法获得的交联的聚乙烯醇缩醛,特别适合所述聚合物的应用领域
    • 5. 发明授权
    • Cross-linked polyvinyl acetals
    • 交联聚乙烯醇缩醛
    • US07312275B2
    • 2007-12-25
    • US10519133
    • 2003-07-01
    • Bernd PapenfuhsMartin SteuerSimon Jonas
    • Bernd PapenfuhsMartin SteuerSimon Jonas
    • C08F8/00C08G64/14
    • C08F8/28C08F8/48C08F16/06
    • The invention relates to a cross-linked polyvinyl acetal which is characterized in that it can be obtained from at least one polyvinylacetal (1) which is obtained by reacting at least one polymer (A), which contains a) 1,0 to 99.9 wt. % structural units of formula (1), b.) 0 to 99.0 wt. % structural units of formula (2), c.) 0 to 70.0 wt. % structural formula (3), d.) 0.0001 to 30.0 wt. % structural units of formula (4) respectively in relation to the overall weight of the polymer (A), with at least one compound (B) of formula (5). Furthermore, the present invention relates to methods for the production of the polyvinyl acetal according to the invention as well as its use.
    • 本发明涉及一种交联聚乙烯醇缩醛,其特征在于可从至少一种聚乙烯醇缩醛(1)获得,所述聚乙烯醇缩醛(1)是通过使至少一种聚合物(A)反应得到的,所述聚合物(A)含有a) 。 式(1)的%结构单元,b。)0至99.0wt。 式(2)的%结构单元,c。)0-70.0wt。 %结构式(3),d。)0.0001〜30.0重量% 相对于聚合物(A)的总重量,分别为式(4)的%结构单元与至少一种式(5)的化合物(B)。 此外,本发明涉及根据本发明的聚乙烯醇缩醛的制备方法及其用途。
    • 6. 发明申请
    • Cross-linked polyvinyl acetals
    • 交联聚乙烯醇缩醛
    • US20050239960A1
    • 2005-10-27
    • US10519133
    • 2003-07-01
    • Bernd PapenfuhsMartin SteuerSimon Jonas
    • Bernd PapenfuhsMartin SteuerSimon Jonas
    • C08F16/38C08F8/28C08F8/00
    • C08F8/28C08F8/48C08F16/06
    • The invention relates to a cross-linked polyvinyl acetal which is characterized in that it can be obtained from at least one polyvinylacetal (1) which is obtained by reacting at least one polymer (A), which contains a) 1,0 to 99.9 wt. % structural units of formula (1), b.) 0 to 99.0 wt. % structural units of formula (2), c.) 0 to 70.0 wt. % structural formula (3), d.) 0.0001 to 30.0 wt. % structural units of formula (4) respectively in relation to the overall weight of the polymer (A), with at least one compound (B) of formula (5). Furthermore, the present invention relates to methods for the production of the polyvinyl acetal according to the invention as well as its use.
    • 本发明涉及一种交联聚乙烯醇缩醛,其特征在于可从至少一种聚乙烯醇缩醛(1)获得,所述聚乙烯醇缩醛(1)是通过使至少一种聚合物(A)反应得到的,所述聚合物(A)含有a) 。 式(1)的%结构单元,b。)0至99.0wt。 式(2)的%结构单元,c。)0-70.0wt。 %结构式(3),d。)0.0001〜30.0重量% 相对于聚合物(A)的总重量,分别为式(4)的%结构单元与至少一种式(5)的化合物(B)。 此外,本发明涉及根据本发明的聚乙烯醇缩醛的制备方法及其用途。