FR2444694A1 - Increasing natural rubber green strength and adhesion - by adding maleic anhydride adduct with liq. polyisoprene having high cis content - Google Patents

Increasing natural rubber green strength and adhesion - by adding maleic anhydride adduct with liq. polyisoprene having high cis content

Info

Publication number
FR2444694A1
FR2444694A1 FR7835685A FR7835685A FR2444694A1 FR 2444694 A1 FR2444694 A1 FR 2444694A1 FR 7835685 A FR7835685 A FR 7835685A FR 7835685 A FR7835685 A FR 7835685A FR 2444694 A1 FR2444694 A1 FR 2444694A1
Authority
FR
France
Prior art keywords
liq
rubber
maleic anhydride
polyisoprene
adhesion
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.)
Granted
Application number
FR7835685A
Other languages
French (fr)
Other versions
FR2444694B1 (en
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.)
Kuraray Co Ltd
Original Assignee
Kuraray Co Ltd
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 Kuraray Co Ltd filed Critical Kuraray Co Ltd
Priority to FR7835685A priority Critical patent/FR2444694A1/en
Publication of FR2444694A1 publication Critical patent/FR2444694A1/en
Application granted granted Critical
Publication of FR2444694B1 publication Critical patent/FR2444694B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
    • C08C19/00—Chemical modification of rubber
    • C08C19/28—Reaction with compounds containing carbon-to-carbon unsaturated bonds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L7/00—Compositions of natural rubber

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

Rubber compsn. contains 5-45 wt. % modified liq. rubber, (I) and 95-55 wt. % natural rubber. (I) is an adduct of maleic anhydride, or a deriv. thereof, with a liq. polyisoprene rubber having a cis-1,4-content >=70 (>=80) % and mol. wt. 8000-100 000 (15000-55000). Maleic anhydride or deriv. proportion is 0.1-15 (0.5-10) mol % per isoprene unit in liq. polyisoprene rubber. The compsns. are used in stee-reinforced radial tyre-, conveyor belt and hose-prodn. White filter-contg. compsns. can be used in rubber shoe mfr. Addn. of (I) improves flow and workability in non-vulcanised condition, lowers Mooney viscosity, increases green strength, vulcanisate hardness and vulcanisate adhesion to metals.
FR7835685A 1978-12-19 1978-12-19 Increasing natural rubber green strength and adhesion - by adding maleic anhydride adduct with liq. polyisoprene having high cis content Granted FR2444694A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7835685A FR2444694A1 (en) 1978-12-19 1978-12-19 Increasing natural rubber green strength and adhesion - by adding maleic anhydride adduct with liq. polyisoprene having high cis content

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7835685A FR2444694A1 (en) 1978-12-19 1978-12-19 Increasing natural rubber green strength and adhesion - by adding maleic anhydride adduct with liq. polyisoprene having high cis content

Publications (2)

Publication Number Publication Date
FR2444694A1 true FR2444694A1 (en) 1980-07-18
FR2444694B1 FR2444694B1 (en) 1982-02-26

Family

ID=9216301

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7835685A Granted FR2444694A1 (en) 1978-12-19 1978-12-19 Increasing natural rubber green strength and adhesion - by adding maleic anhydride adduct with liq. polyisoprene having high cis content

Country Status (1)

Country Link
FR (1) FR2444694A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2638460A (en) * 1951-01-02 1953-05-12 Phillips Petroleum Co Butadiene polymers as elastomer additives
NL6818592A (en) * 1967-12-28 1969-07-01
DE2431810A1 (en) * 1973-07-13 1975-01-30 Kuraray Co METHOD OF MANUFACTURING MODIFIED CIS 1,4-POLYISOPRENE RUBBER

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2638460A (en) * 1951-01-02 1953-05-12 Phillips Petroleum Co Butadiene polymers as elastomer additives
NL6818592A (en) * 1967-12-28 1969-07-01
DE2431810A1 (en) * 1973-07-13 1975-01-30 Kuraray Co METHOD OF MANUFACTURING MODIFIED CIS 1,4-POLYISOPRENE RUBBER

Also Published As

Publication number Publication date
FR2444694B1 (en) 1982-02-26

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