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GB1286668A - Method of improving the tack of rubbers - Google Patents

Method of improving the tack of rubbers

Info

Publication number
GB1286668A
GB1286668A GB51846/69A GB5184669A GB1286668A GB 1286668 A GB1286668 A GB 1286668A GB 51846/69 A GB51846/69 A GB 51846/69A GB 5184669 A GB5184669 A GB 5184669A GB 1286668 A GB1286668 A GB 1286668A
Authority
GB
United Kingdom
Prior art keywords
compositions
propylene
ethylene
rubber
rubbers
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
GB51846/69A
Inventor
Anthony Constantine Soldatos
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.)
Union Carbide Corp
Original Assignee
Union Carbide Corp
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
Priority to US718225A priority Critical patent/US3616362A/en
Priority to US772422A priority patent/US3582514A/en
Application filed by Union Carbide Corp filed Critical Union Carbide Corp
Priority to GB51846/69A priority patent/GB1286668A/en
Priority to BE740703D priority patent/BE740703A/en
Priority to DE1953392A priority patent/DE1953392C3/en
Priority to BE741052D priority patent/BE741052A/xx
Priority to FR6937600A priority patent/FR2022069A1/fr
Priority to NL696916446A priority patent/NL144970B/en
Publication of GB1286668A publication Critical patent/GB1286668A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/28—Treatment by wave energy or particle radiation

Landscapes

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

Abstract

1286668 Treating polymers UNION CARBIDE CORP 22 Oct 1969 51846/69 Heading C3P The tack of compositions comprising a rubber and a tackifier is improved by subjecting the compositions to an electric discharge or, when the rubber is an ethylene/propylene rubber and the tackifier is a polymeric phenolic tackifier, to ionizing or non-ionizing radiation other than natural light. Specified radiations are α, #, γ and X-rays, machine generated electrons, ultraviolet, visible and infra-red light and radiation from dielectric heaters. The electric discharge may be a corona or glow discharge. Specified rubbers are natural rubbers, conjugated diene polymers and copolymers, e.g. with vinyl aromatics, isoolefins, acrylic compounds, vinyl ethers, vinylidene chloride, N-vinyl carbazole and N-vinylpyrrolidone, and particularly ethylene/propylene rubbers. Specified tackifiers are phenol/formaldehyde resins, polyisoprenes, phenolated polyisoprenes, terpene resins and coumarone/indene resins. The compositions may also comprise fillers, e.g. carbon black and clay; lubricants, e.g.stearic acid; plasticizers, e.g. naphthenic oils; and curing agents, e.g. organic peroxides and sulphur. Examples describe the preparation of (A) polyisoprene using lithium butyl as catalyst and the phenolation of the product with (B) p-dodecylphenol, (C) pnonylphenol, (D) phenol, (E) thiophenol and (F) o-t-butylphenol; (G) a novolak resin by condensing p-dodecylphenol and formaldehyde in the presence of sulphonic acid; (H) an isoprene/piperylene copolymer using aluminium trichloride as catalyst; (I) polyisoprene using lithium butyl and (J) the cyclization of the product with p-toluene sulphonic acid; (K) an isoprene/butadiene copolymer using butyl lithium; (L) an isoprene/styrene copolymer; (M) polypiperylene and (N) polybutadiene-1,2; the blending of these tackifiers with compositions of zinc oxide, stearic acid and curing agents together with (A) ethylene/propylene/hexadiene- 1,4 copolymers and naphthenic oil, (B) butyl rubber and chlorosulphonated polyethylene and (C) ethylene/propylene/hexadiene - 1,4, styrene/butadiene-1,3 and naphthenic oil; and the treatment of the compositions with radiation or electric discharge.
GB51846/69A 1968-04-02 1969-10-22 Method of improving the tack of rubbers Expired GB1286668A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
US718225A US3616362A (en) 1968-04-02 1968-04-02 Method of improving the tack of ethylene-propylene polymers by radiation
US772422A US3582514A (en) 1968-04-02 1968-10-31 Compositions of phenol formaldehyde resins and phenol polymers of isoprene and process for the addition thereto of ethylene-propylene polymers
GB51846/69A GB1286668A (en) 1968-04-02 1969-10-22 Method of improving the tack of rubbers
BE740703D BE740703A (en) 1968-04-02 1969-10-23 Rubber adhesive improved by phenolic polymers and - electric or radiation treatment
DE1953392A DE1953392C3 (en) 1968-10-31 1969-10-23 Polymer mixture based on ethylene-propylene mixed polymers
BE741052D BE741052A (en) 1968-04-02 1969-10-30
FR6937600A FR2022069A1 (en) 1968-10-31 1969-10-31
NL696916446A NL144970B (en) 1968-10-31 1969-10-31 PROCESS FOR THE PREPARATION OF MIXTURES CONTAINING ETHENPROPEEN POLYMER WITH IMPROVED ADHESIVITY.

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US71822568A 1968-04-02 1968-04-02
US77242268A 1968-10-31 1968-10-31
GB51846/69A GB1286668A (en) 1968-04-02 1969-10-22 Method of improving the tack of rubbers

Publications (1)

Publication Number Publication Date
GB1286668A true GB1286668A (en) 1972-08-23

Family

ID=27260227

Family Applications (1)

Application Number Title Priority Date Filing Date
GB51846/69A Expired GB1286668A (en) 1968-04-02 1969-10-22 Method of improving the tack of rubbers

Country Status (1)

Country Link
GB (1) GB1286668A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2378063A1 (en) * 1977-01-24 1978-08-18 Firestone Tire & Rubber Co STABILIZATION OF THE MORPHOLOGY OF HETEROGENOUS POLYMERIC MIXTURES
CN1882625B (en) * 2003-11-20 2011-08-10 Si集团有限公司 Novolak resins and rubber compositions comprising the same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2378063A1 (en) * 1977-01-24 1978-08-18 Firestone Tire & Rubber Co STABILIZATION OF THE MORPHOLOGY OF HETEROGENOUS POLYMERIC MIXTURES
CN1882625B (en) * 2003-11-20 2011-08-10 Si集团有限公司 Novolak resins and rubber compositions comprising the same
US8470930B2 (en) 2003-11-20 2013-06-25 Si Group, Inc. Novolak resins and rubber compositions comprising the same

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee