BE767474A - Copolymere sequence non lineaire et sa preparation - Google Patents

Copolymere sequence non lineaire et sa preparation

Info

Publication number
BE767474A
BE767474A BE767474A BE767474A BE767474A BE 767474 A BE767474 A BE 767474A BE 767474 A BE767474 A BE 767474A BE 767474 A BE767474 A BE 767474A BE 767474 A BE767474 A BE 767474A
Authority
BE
Belgium
Prior art keywords
preparation
linear sequence
non linear
sequence copolymer
copolymer
Prior art date
Application number
BE767474A
Other languages
English (en)
French (fr)
Inventor
D W Fraga
A R Bean
J T Harlan
Original Assignee
Shell Int Research
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 Shell Int Research filed Critical Shell Int Research
Publication of BE767474A publication Critical patent/BE767474A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G81/00—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
    • C08G81/02—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers at least one of the polymers being obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • C08G81/021—Block or graft polymers containing only sequences of polymers of C08C or C08F
    • C08G81/022—Block or graft polymers containing only sequences of polymers of C08C or C08F containing sequences of polymers of conjugated dienes and of polymers of alkenyl aromatic compounds

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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
BE767474A 1970-05-22 1971-05-21 Copolymere sequence non lineaire et sa preparation BE767474A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3991870A 1970-05-22 1970-05-22

Publications (1)

Publication Number Publication Date
BE767474A true BE767474A (fr) 1971-11-22

Family

ID=21908046

Family Applications (1)

Application Number Title Priority Date Filing Date
BE767474A BE767474A (fr) 1970-05-22 1971-05-21 Copolymere sequence non lineaire et sa preparation

Country Status (11)

Country Link
JP (1) JPS5530005B1 (es)
BE (1) BE767474A (es)
BR (1) BR7103148D0 (es)
CA (1) CA997889A (es)
DE (1) DE2125344C2 (es)
ES (1) ES391391A1 (es)
FR (1) FR2093581A5 (es)
GB (1) GB1312854A (es)
NL (1) NL162935C (es)
SE (1) SE392108B (es)
ZA (1) ZA713278B (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4148771A (en) 1977-06-23 1979-04-10 Phillips Petroleum Company Method of making novel rubbery block copolymers and pressure-sensitive adhesives
US4163764A (en) 1977-06-23 1979-08-07 Phillips Petroleum Company Coupled block copolymers with improved tack for adhesives
US4386125A (en) * 1981-02-20 1983-05-31 Asahi Kasei Kogyo Kabushiki Kaisha Film, sheet or tube of a block copolymer or a composition containing the same
GB2144431B (en) * 1983-08-04 1987-03-11 Shell Int Research Hydrogenated modified star-shaped polymers
GB2144430B (en) * 1983-08-04 1986-11-19 Shell Int Research Hydrogenated modified star-shaped polymers
US4877836A (en) * 1988-05-24 1989-10-31 Shell Oil Company Viscosity index improver and composition containing same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1162080A (en) * 1915-03-08 1915-11-30 Charlie Allen Walker Vehicle-wheel.
US3149182A (en) * 1957-10-28 1964-09-15 Shell Oil Co Process for preparing block copolymers utilizing organolithium catalysts
US3507934A (en) * 1965-12-20 1970-04-21 Shell Oil Co Block copolymer compositions having improved processability

Also Published As

Publication number Publication date
ZA713278B (en) 1972-01-26
DE2125344A1 (de) 1971-12-02
DE2125344C2 (de) 1982-02-04
GB1312854A (en) 1973-04-11
FR2093581A5 (es) 1972-01-28
NL162935C (nl) 1980-07-15
CA997889A (en) 1976-09-28
SE392108B (sv) 1977-03-14
NL7106861A (es) 1971-11-24
BR7103148D0 (pt) 1973-04-12
JPS5530005B1 (es) 1980-08-07
NL162935B (nl) 1980-02-15
ES391391A1 (es) 1973-07-01

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V.

Effective date: 19850521