公开(公告)号：US5272214A

公开(公告)日：1993-12-21

申请号：US663793

申请日：1991-03-04

申请人： Sergio Custro ,  Elio Diani ,  Alessandro Zazzetta

发明人： Sergio Custro ,  Elio Diani ,  Alessandro Zazzetta

IPC分类号： C08F297/04 ,  C08G81/02 ,  C08L95/00 ,  C08L53/02

CPC分类号： C08G81/022 ,  C08F297/044 ,  C08L95/00

摘要： Radial and branched block copolymers show a structure: ##STR1## wherein: Z is a radical deriving from a tetrafunctional coupling agent;A is a polystyrene block;B is a polybutadiene blockm, n, p, q are either 1 or zero, with the condition that their sum is comprised within the range of from 1 to 4.Compositions of block copolymers comprise the hereinabove disclosed radial and branched block copolymers, blended with a two-block copolymer B-A, and an "A" homopolymer.The process for the preparation of said radial and branched block copolymers and of the related compositions is disclosed, and furthermore their use is disclosed in bituminous compositions, in order to improve the general characteristics of the bitumens.

摘要翻译： 径向和支化嵌段共聚物显示以下结构：其中：Z是衍生自四官能偶联剂的基团; A是聚苯乙烯块; B是聚丁二烯嵌段m，n，p，q是1或0，条件是它们的总和在1至4的范围内。嵌段共聚物的组合物包括上述公开的径向和支链嵌段共聚物，共混 与两嵌段共聚物BA和“A”均聚物。 公开了制备所述径向和支链嵌段共聚物和相关组合物的方法，此外，其用途在沥青组合物中公开，以改善沥青的一般特性。

公开(公告)号：US4874821A

公开(公告)日：1989-10-17

申请号：US117631

申请日：1987-11-05

申请人： Enrico Agostinis ,  Sergio Custro ,  Alessandro Zazzetta

发明人： Enrico Agostinis ,  Sergio Custro ,  Alessandro Zazzetta

IPC分类号： C08F4/48 ,  C08F297/04

CPC分类号： C08F297/04

摘要： A linear copolymer constituted by four alternating blocks:B1-A1-B2-A2wherein:B1 and B2 are polydienic blocks, and preferably polybutadiene blocks, andA1 and A2 are polyvinylaromatic, and preferably polystyrene blocks;which polymer has a weight average molecular weight of from 30,000 to 250,000, and a global content of monomer dienic units of from 40 to 80% by weight, wherein the weight average molecular weight of B1 block is comprised within the range of from 0.1 to 0.5 times the weight average molecular weight of B2 block, and the weight average molecular weight of A1 block is comprised within the range of from 0.25 to 2.0 times the weight average molecular weight of A2 block, and which contains between B1 and A1 blocks a copolymeric moiety formed by randomly linked monomer dienic and vinylaromatic units; is endowed with a desired balance of mechanical characteristics, rheologic characterisatics and characteristics of thermooxidative resistance.The process to prepare such a block copolymer is disclosed.

摘要翻译： 由四个交替嵌段构成的线性共聚物：B1-A1-B2-A2其中：B1和B2是多元嵌段，优选聚丁二烯嵌段，A1和A2是聚乙烯基芳族化合物，优选聚苯乙烯嵌段; 该聚合物的重均分子量为30,000〜250,000，单体二烯单元的总含量为40〜80重量％，其中B1嵌段的重均分子量在0.1〜0.5的范围内 倍数为B2嵌段的重均分子量，A1嵌段的重均分子量在A2嵌段的重均分子量的0.25-2.0的范围内，并且在B1和A1嵌段之间含有共聚部分 由无规连接的单体二烯和乙烯基芳族单元形成; 具有所需的机械特性，流变特性和耐热氧化性能的平衡。 公开了制备这种嵌段共聚物的方法。

公开(公告)号：US5314951A

公开(公告)日：1994-05-24

申请号：US53201

申请日：1993-04-28

申请人： Sergio Custro ,  Alessandro Zazzetta

发明人： Sergio Custro ,  Alessandro Zazzetta

IPC分类号： C08F297/04 ,  C08L23/02 ,  C08L53/02

CPC分类号： C08F297/044 ,  C08L23/02

摘要： A branched block copolymer is described, which can be defined by the formula (B.sub.1 --T--A--B.sub.2).sub.n X, where B.sub.1 and B.sub.2 are polydiene blocks, A is an aromatic polyvinyl block, T is a random copolymer segment made up of dienic monomeric and aromatic vinyl units, X is a coupling radical having a valence equal to n, and n is a whole number ranging from 3 to 20.This kind of block copolymer is used in formulations of adhesives having an excellent balance of adhesive, cohesive, rheological characteristics, as well as resistance to heat oxidation, and in compositions together with thermoplastic polymers capable of giving products with improved shock resistance and transparency.

摘要翻译： 描述了可由式（B1-TA-B2）nX定义的支链嵌段共聚物，其中B1和B2是聚二烯嵌段，A是芳族聚乙烯基嵌段，T是由二烯单体和 芳族乙烯基单元，X是价数等于n的偶联基团，n是3至20的整数。这种嵌段共聚物用于具有优异的粘合剂平衡，粘合性，流变特性的粘合剂配方中 ，以及耐热氧化性，以及组合物与能够产生具有改善的抗冲击性和透明性的产品的热塑性聚合物。

公开(公告)号：US5164455A

公开(公告)日：1992-11-17

申请号：US780126

申请日：1991-10-21

申请人： Enrico Agostinis ,  Sergio Custro ,  Alessandro Zazzetta

发明人： Enrico Agostinis ,  Sergio Custro ,  Alessandro Zazzetta

IPC分类号： C08F4/48 ,  C08F297/04 ,  C08L53/00 ,  C08L53/02 ,  C09J153/00 ,  C09J153/02

CPC分类号： C09J153/00 ,  C08F297/04 ,  C08L53/00 ,  C08L53/025 ,  C09J153/025

摘要： Linear copolymers with four alternating blocks, represented by the following formula:B.sub.1 -T-A.sub.1 -B.sub.2 -A.sub.2where: A.sub.1 and A.sub.2 are polyvinylaromatic blocks, B.sub.1 and B.sub.2 are blocks consisting of ethylene-butene-1 or ethylene-propylene copolymers, and T is a statistical terpolymer segment formed from ethylene-propylene-vinylarene or ethylene-butene-1-vinylarene monomer units.The copolymers are characterized by a weight-average molecular weight of between 20,000 and 300,000 and a total content of vinylaromatic units of between 10 and 60% by weight. The ratio of the weight-average molecular weight of block A.sub.1 to that of block A.sub.2 is a number between 0.25 and 2.0, and the ratio of the weight-average molecular weight of block B.sub.1 to that of block B.sub.2 is a number between 0.05 and 0.5.The copolymers exhibit an optimum balance of mechanical, rheological and thermo-oxidation resistance properties and can be obtained by hydrogenating block-copolymers of vinylaromatic monomers with conjugated diene monomers.

摘要翻译： 具有四个交替嵌段的线性共聚物，由下式表示：B1-T-A1-B2-A2其中：A1和A2是聚乙烯基芳族嵌段，B1和B2是由乙烯 - 丁烯-1或乙烯 - 丙烯共聚物组成的嵌段， T是由乙烯 - 丙烯 - 乙烯基芳烃或乙烯 - 1-丁烯-1-乙烯基芳烃单体单元形成的统计三元共聚物链段。 共聚物的特征在于重均分子量为20,000至300,000，乙烯基芳族单元的总含量为10至60重量％。 嵌段A1的重均分子量与嵌段A2的重量比为0.25〜2.0，块B1的重均分子量与嵌段B2的重量比为0.05〜0.5的数 。 共聚物表现出机械，流变和耐热氧化性能的最佳平衡，可以通过将乙烯基芳族单体与共轭二烯单体的嵌段共聚物氢化而获得。

公开(公告)号：US5395894A

公开(公告)日：1995-03-07

申请号：US43987

申请日：1993-04-07

申请人： Sergio Custro ,  Alessandro Zazzetta

发明人： Sergio Custro ,  Alessandro Zazzetta

IPC分类号： C08F297/02 ,  C08F297/04 ,  C08L23/02 ,  C08L23/04 ,  C08L23/10 ,  C08L25/04 ,  C08L51/00 ,  C08L53/00 ,  C08L53/02 ,  C09J153/00 ,  C09J153/02

CPC分类号： C08F297/044 ,  C08L23/02 ,  C08L23/00 ,  C08L53/00 ,  C08L57/02 ,  C08L65/00 ,  C08L91/00

摘要： A branched block copolymer is described, which can be defined by the formula (B.sub.1 -T-A-B.sub.2).sub.n X, where B.sub.1, and B.sub.2 are polydiene blocks, A is an aromatic polyvinyl block, T is a random copolymer segment made up of dienic monomeric and aromatic vinyl units, X is a coupling radical having a valence equal to n, and n is a whole number ranging from 3 to 20. This kind of block copolymer is used in formulations of adhesives having an excellent balance of adhesive, cohesive, rheological characteristics, as well as resistance to heat oxidation, and in compositions together with thermoplastic polymers capable of giving products with improved shock resistance and transparency.

摘要翻译： 描述了分支嵌段共聚物，其可以由式（B1-TA-B2）nX定义，其中B1和B2是聚二烯嵌段，A是芳族聚乙烯基嵌段，T是由二烯单体组成的无规共聚物链段 和芳族乙烯基单元，X是价态等于n的偶联基团，n是3至20的整数。这种嵌段共聚物用于具有优异平衡的粘合剂，粘结性，流变性 特性以及耐热氧化性，以及组合物以及能够产生具有改善的抗冲击性和透明性的产品的热塑性聚合物。

公开(公告)号：US5304598A

公开(公告)日：1994-04-19

申请号：US873404

申请日：1992-04-24

申请人： Sergio Custro ,  Alessandro Zazzetta

发明人： Sergio Custro ,  Alessandro Zazzetta

IPC分类号： C08L53/02 ,  C08F212/08 ,  C08F236/06

CPC分类号： C08L53/02

摘要： New polymeric compositions comprising:(a) a linear copolymer constituted by four alternating blocks, which can be represented by the formula (I) or (II)B.sub.1 -T-A.sub.1 -B.sub.2 -A.sub.2 (I)orB.sub.1 -A.sub.1 -B.sub.2 -T-A.sub.2 (II) wherein:B.sub.1 and B.sub.2 are polydienic blocks, preferably polybutadienic blocks;A.sub.1 and A.sub.2 are polyvinylaromatic blocks and preferably polystyrenic blocks;T is a portion of random copolymer formed by dienic and vinylaromatic monomer units;(b) a linear copolymer constituted by two blocks, which can be represented by the formulae (III) or (IV)B.sub.3 -T-A.sub.3 (III)orB.sub.3 -A.sub.3 (IV) wherein:B.sub.3 is a polydienic block;A.sub.3 is a polyvinylaromatic block; andT has the above seen meaning.The polymeric composition, which can be blended with polystyrene, can be obtained both by blending the individual components, and by means of novel and original synthesis processes which make it possible both (A) and (B) components to be obtained simultaneously.The polymeric compositions according to the instant invention are suitable for all of those uses in which characteristics of impact strength, transparence and processability are required.

摘要翻译： 新型聚合物组合物，包括：（a）由四个交替的嵌段构成的线性共聚物，其可以由式（I）或（II）B1-T-A1-B2-A2（I）或B1-A1-B2- T-A2（II）其中：B1和B2是多聚嵌段，优选聚丁二烯嵌段; A1和A2是聚乙烯基芳族嵌段，优选聚苯乙烯嵌段; T是由二烯和乙烯基芳族单体单元形成的无规共聚物的一部分; （b）由两个嵌段构成的线性共聚物，其可以由式（III）或（IV）B3-T-A3（III）或B3-A3（IV）表示，其中：B3是多烯嵌段; A3是聚乙烯基芳族嵌段; 而T具有上述意义。 可以与聚苯乙烯共混的聚合物组合物可以通过混合各组分和通过新颖和原始的合成方法获得，这使得可以同时获得（A）和（B）成分。 根据本发明的聚合物组合物适用于需要冲击强度，透明度和加工性能的所有用途。

公开(公告)号：US5284915A

公开(公告)日：1994-02-08

申请号：US873403

申请日：1992-04-24

申请人： Sergio Custro ,  Alessandro Zazzetta

发明人： Sergio Custro ,  Alessandro Zazzetta

IPC分类号： C08L53/02 ,  G08F257/02 ,  G08F279/02

CPC分类号： C08L53/02

摘要： New polymeric compositions comprising:(a) a linear copolymer constituted by four alternating blocks, which can be represented by the formula (I) or (II)B.sub.1 --T--A.sub.1 --B.sub.2 --A.sub.2 (I) orB.sub.1 --A.sub.1 --B.sub.2 --T--A.sub.2 (II) wherein:B.sub.1 and B.sub.2 are polydienic blocks, preferably polybutadienic blocks;A.sub.1 and A.sub.2 are polyvinylaromatic blocks and preferably polystyrenic blocks;T is a portion of random copolymer formed by dienic and vinylaromatic monomer units;(b) a linear copolymer constituted by two blocks, which can be represented by the formulae (III) or (IV)B.sub.3 --T--A.sub.3 (III) orB.sub.3 --A.sub.3 (IV) wherein:B.sub.3 is a polydienic block;A.sub.3 is a polyvinylaromatic block; andT has the above seen meaning.The polymeric composition, which can be blended with polystyrene, can be obtained both by blending the individual components, and by means of novel and original synthesis processes which make it possible both (A) and (B) components to be obtained simultaneously.The polymeric compositions according to the instant invention are suitable for all of those uses in which characteristics of impact strength, transparence and processability are required.

摘要翻译： 新型聚合物组合物，包括：（a）由四个交替的嵌段构成的线性共聚物，其可以由式（I）或（II）B1-T-A1-B2-A2（I）或B1-A1-B2- T-A2（II）其中：B1和B2是多聚嵌段，优选聚丁二烯嵌段; A1和A2是聚乙烯基芳族嵌段，优选聚苯乙烯嵌段; T是由二烯和乙烯基芳族单体单元形成的无规共聚物的一部分; （b）由两个嵌段构成的线性共聚物，其可以由式（III）或（IV）B3-T-A3（III）或B3-A3（IV）表示，其中：B3是多烯嵌段; A3是聚乙烯基芳族嵌段; 而T具有上述意义。 可以与聚苯乙烯共混的聚合物组合物可以通过混合各组分和通过新颖和原始的合成方法获得，这使得可以同时获得（A）和（B）成分。 根据本发明的聚合物组合物适用于需要冲击强度，透明度和加工性能的所有用途。