CA997889A - Unsymmetrical branched non-linear block copolymers - Google Patents

Unsymmetrical branched non-linear block copolymers

Info

Publication number
CA997889A
CA997889A CA113,681A CA113681A CA997889A CA 997889 A CA997889 A CA 997889A CA 113681 A CA113681 A CA 113681A CA 997889 A CA997889 A CA 997889A
Authority
CA
Canada
Prior art keywords
block copolymers
linear block
branched non
unsymmetrical branched
unsymmetrical
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA113,681A
Other languages
English (en)
Other versions
CA113681S (en
Inventor
Arthur R. Bean (Jr.)
James T. Harlan (Jr.)
Donald W. Fraga
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
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 Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Application granted granted Critical
Publication of CA997889A publication Critical patent/CA997889A/en
Expired legal-status Critical Current

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)
CA113,681A 1970-05-22 1971-05-21 Unsymmetrical branched non-linear block copolymers Expired CA997889A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA997889A true CA997889A (en) 1976-09-28

Family

ID=21908046

Family Applications (1)

Application Number Title Priority Date Filing Date
CA113,681A Expired CA997889A (en) 1970-05-22 1971-05-21 Unsymmetrical branched non-linear block copolymers

Country Status (11)

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

Cited By (3)

* 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
US4877836A (en) * 1988-05-24 1989-10-31 Shell Oil Company Viscosity index improver and composition containing same

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
GB2144430B (en) * 1983-08-04 1986-11-19 Shell Int Research Hydrogenated modified star-shaped polymers
GB2144431B (en) * 1983-08-04 1987-03-11 Shell Int Research Hydrogenated modified star-shaped polymers

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

Cited By (3)

* 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
US4877836A (en) * 1988-05-24 1989-10-31 Shell Oil Company Viscosity index improver and composition containing same

Also Published As

Publication number Publication date
NL7106861A (nl) 1971-11-24
FR2093581A5 (nl) 1972-01-28
DE2125344C2 (de) 1982-02-04
DE2125344A1 (de) 1971-12-02
BR7103148D0 (pt) 1973-04-12
GB1312854A (en) 1973-04-11
NL162935B (nl) 1980-02-15
SE392108B (sv) 1977-03-14
JPS5530005B1 (nl) 1980-08-07
ZA713278B (en) 1972-01-26
BE767474A (fr) 1971-11-22
NL162935C (nl) 1980-07-15
ES391391A1 (es) 1973-07-01

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