MX169895B - POLYMERIC COMPOSITIONS AND METHOD FOR ITS PREPARATION - Google Patents

POLYMERIC COMPOSITIONS AND METHOD FOR ITS PREPARATION

Info

Publication number
MX169895B
MX169895B MX018728A MX1872889A MX169895B MX 169895 B MX169895 B MX 169895B MX 018728 A MX018728 A MX 018728A MX 1872889 A MX1872889 A MX 1872889A MX 169895 B MX169895 B MX 169895B
Authority
MX
Mexico
Prior art keywords
block
weight
aromatic
represented
formula
Prior art date
Application number
MX018728A
Other languages
Spanish (es)
Inventor
Sergio Custro
Alessandro Zazzetta
Original Assignee
Enichem Elastomers
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Enichem Elastomers filed Critical Enichem Elastomers
Publication of MX169895B publication Critical patent/MX169895B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Graft Or Block Polymers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)

Abstract

La presente invención se refiere a una composición polimerica, que incluye: a) Desde 40 a 90 partes porciento en peso, de un copolímero linial de cuatro bloques, alternados, representables por las fórmulas: B1T-A1-B2-A2 (I) o B1A1-B2-TA2 (II), en que A1 y A2 son bloques polivinil-aromático, B1 y B2 bloques polidiénicos y T es un enlace copolimérico, formado por las unidades monoméricas dienicas y vinil-armomáticas, concatenadas estadísticamente; b) desde 10 a 60 partes por ciento en peso de un copolímero de dos bloques, representables por la fórmula: B3T-A3 (III); en la que A3 es un bloque polivinil aromático, diferente o igual al bloque A1 o al bloque A2, B3 es un bloque polidiénico diferente o igual al bloque B1 o al bloque B2, T tiene la definición señalada anteriormente, o bien alternativamente por la fórmula: B3A3 (IV).The present invention relates to a polymeric composition, which includes: a) From 40 to 90 parts by weight, of an alternating four-block linear copolymer, represented by the formulas: B1T-A1-B2-A2 (I) or B1A1-B2-TA2 (II), in which A1 and A2 are polyvinyl-aromatic blocks, B1 and B2 are polydiene blocks and T is a copolymeric bond, formed by the diene and vinyl-aromatic monomer units, statistically concatenated; b) from 10 to 60 parts by weight by weight of a two-block copolymer, represented by the formula: B3T-A3 (III); in which A3 is a polyvinyl aromatic block, different from or equal to block A1 or block A2, B3 is a polydiene block different from or equal to block B1 or block B2, T has the definition indicated above, or alternatively by the formula : B3A3 (IV).

MX018728A 1988-12-23 1989-12-14 POLYMERIC COMPOSITIONS AND METHOD FOR ITS PREPARATION MX169895B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8823088A IT1227901B (en) 1988-12-23 1988-12-23 POLYMERIC COMPOSITIONS AND THEIR PREPARATION METHOD

Publications (1)

Publication Number Publication Date
MX169895B true MX169895B (en) 1993-07-29

Family

ID=11203654

Family Applications (1)

Application Number Title Priority Date Filing Date
MX018728A MX169895B (en) 1988-12-23 1989-12-14 POLYMERIC COMPOSITIONS AND METHOD FOR ITS PREPARATION

Country Status (15)

Country Link
CN (2) CN1036139C (en)
BE (1) BE1003108A3 (en)
BR (1) BR8906764A (en)
CA (1) CA2005285A1 (en)
DE (1) DE3942668C2 (en)
DK (1) DK623289A (en)
ES (1) ES2021927A6 (en)
FI (1) FI896042A0 (en)
FR (1) FR2640979A1 (en)
GB (1) GB2226322B (en)
IT (1) IT1227901B (en)
MX (1) MX169895B (en)
NL (1) NL194674C (en)
NO (1) NO177599C (en)
SE (1) SE502757C2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW446733B (en) * 1998-03-05 2001-07-21 Japan Elastomer Co Ltd Block copolymer composition for modifying asphalt and asphalt composition comprising the same
EP1299475A1 (en) * 2000-06-27 2003-04-09 ExxonMobil Chemical Patents Inc. Tetrablock copolymers
US6576686B1 (en) 2000-06-27 2003-06-10 Exxonmobil Chemical Patents Inc. Road marking compound comprising linear tetrablock copolymers
WO2015004043A1 (en) * 2013-07-08 2015-01-15 Styrolution Group Gmbh Mono vinyl aromatic conjugated diene block copolymer and polymer composition comprising said block copolymer and a mono vinylarene acrylate copolymer

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1130770A (en) * 1965-12-29 1968-10-16 Asahi Chemical Ind Process for producing thermoplastic elastomers
DE2013986A1 (en) * 1970-03-24 1971-10-14 Huels Chemische Werke Ag Process for the production of transparent, impact-resistant two segment copolymers seeds
US4208356A (en) * 1974-09-17 1980-06-17 Asahi Kasei Kogyo Kabushiki Kaisha Process for producing mixture of block copolymers
DE2550226C2 (en) * 1975-11-08 1984-12-13 Basf Ag, 6700 Ludwigshafen Branched block copolymers and process for their preparation
US4223190A (en) * 1977-12-01 1980-09-16 Olson Delwyn L Mercury float switch
US4152370A (en) * 1978-02-09 1979-05-01 Phillips Petroleum Company Preparation, composition, and use of block polymers
US4704435A (en) * 1986-03-24 1987-11-03 Phillips Petroleum Company Craze-resistant polymodal linear block copolymers with resinous terminal blocks
LU86698A1 (en) * 1986-12-04 1988-07-14 Labofina Sa PROCESS FOR PRODUCING TRANSPARENT BLOCK COPOLYMERS
IT1222429B (en) * 1987-07-31 1990-09-05 Enichem Elastromeri S P A BLOCK COPOLYMER PROCEDURE FOR ITS PREPARATION

Also Published As

Publication number Publication date
IT1227901B (en) 1991-05-14
DK623289A (en) 1990-06-24
IT8823088A0 (en) 1988-12-23
DE3942668A1 (en) 1990-06-28
NL8903136A (en) 1990-07-16
FR2640979A1 (en) 1990-06-29
CN1059216C (en) 2000-12-06
SE8904152D0 (en) 1989-12-08
ES2021927A6 (en) 1991-11-16
BR8906764A (en) 1990-09-18
NO895089D0 (en) 1989-12-18
CN1158866A (en) 1997-09-10
GB2226322A (en) 1990-06-27
CA2005285A1 (en) 1990-06-23
SE502757C2 (en) 1996-01-08
FR2640979B1 (en) 1993-08-06
NO177599C (en) 1995-10-18
FI896042A0 (en) 1989-12-18
NL194674B (en) 2002-07-01
BE1003108A3 (en) 1991-11-26
NO177599B (en) 1995-07-10
GB8927958D0 (en) 1990-02-14
NO895089L (en) 1990-06-25
DE3942668C2 (en) 1994-10-13
DK623289D0 (en) 1989-12-11
GB2226322B (en) 1992-06-03
NL194674C (en) 2002-11-04
SE8904152L (en) 1990-06-24
CN1043512A (en) 1990-07-04
CN1036139C (en) 1997-10-15

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