JPS54113690A - Liquid chloroprene polymer and its preparation - Google Patents

Liquid chloroprene polymer and its preparation

Info

Publication number
JPS54113690A
JPS54113690A JP2181578A JP2181578A JPS54113690A JP S54113690 A JPS54113690 A JP S54113690A JP 2181578 A JP2181578 A JP 2181578A JP 2181578 A JP2181578 A JP 2181578A JP S54113690 A JPS54113690 A JP S54113690A
Authority
JP
Japan
Prior art keywords
monomer
parts
chloroprene polymer
weight
chloroprene
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.)
Pending
Application number
JP2181578A
Other languages
Japanese (ja)
Inventor
Kiyonobu Maruhashi
Shotaro Fujii
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.)
Denka Co Ltd
Original Assignee
Denki Kagaku Kogyo KK
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 Denki Kagaku Kogyo KK filed Critical Denki Kagaku Kogyo KK
Priority to JP2181578A priority Critical patent/JPS54113690A/en
Publication of JPS54113690A publication Critical patent/JPS54113690A/en
Pending legal-status Critical Current

Links

Landscapes

  • Polymerisation Methods In General (AREA)
  • Paints Or Removers (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

PURPOSE: To prepare a liquid chloroprene polymer having terminal carboxyl groups, by polymerizing chloroprene monomer with a monomer copolymerizable therewith, in an organic solvent in the presence of a mercaptocarboxylic acid.
CONSTITUTION: To prepare a liquid chloroprene polymer having one or more carboxyl groups in a molecule, a number average molecular weight of 500W20,000, a Brookfield viscosity of 3,000W3,000,000 cps at 25°C, and an intrinsic viscosity of 0.03W0.25 measured in toluene at 30°C, is prepared by (co)polymerizing (A) 50W100 wt% of chloroprene monomer and (B) 50W0 wt% of a copolymerizable monomer selected from unsaturated glycidyl ester of formula (R is H, methyl, ethyl), poly-functional (meth)acrylates, and unsaturated carboxylic acids, in the presence of (C) 20W150 parts by weight (based on 100 parts of the total monomers) of an organic solvent having a boiling point of ≤150°C and selected from aromatic hydrocarbons, aliphatic halogen-substituted hydrocarbons, etc. and (D) 0.5W20 parts by weight of a mercaptocarboxylic acid, at 0W100°C.
COPYRIGHT: (C)1979,JPO&Japio
JP2181578A 1978-02-27 1978-02-27 Liquid chloroprene polymer and its preparation Pending JPS54113690A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2181578A JPS54113690A (en) 1978-02-27 1978-02-27 Liquid chloroprene polymer and its preparation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2181578A JPS54113690A (en) 1978-02-27 1978-02-27 Liquid chloroprene polymer and its preparation

Publications (1)

Publication Number Publication Date
JPS54113690A true JPS54113690A (en) 1979-09-05

Family

ID=12065549

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2181578A Pending JPS54113690A (en) 1978-02-27 1978-02-27 Liquid chloroprene polymer and its preparation

Country Status (1)

Country Link
JP (1) JPS54113690A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55723A (en) * 1978-06-19 1980-01-07 Denki Kagaku Kogyo Kk Liquid chloroprene copolymer and its preparation
JPS5975912A (en) * 1982-10-22 1984-04-28 Idemitsu Kosan Co Ltd Production of liquid diene copolymer
JPS62241971A (en) * 1986-04-14 1987-10-22 Idemitsu Petrochem Co Ltd Coating
WO1999035204A1 (en) * 1998-01-09 1999-07-15 Matsushita Electric Industrial Co., Ltd. Synthetic chloroprene rubber adhesive composition and process for producing speaker by using the same

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55723A (en) * 1978-06-19 1980-01-07 Denki Kagaku Kogyo Kk Liquid chloroprene copolymer and its preparation
JPS5650898B2 (en) * 1978-06-19 1981-12-02
JPS5975912A (en) * 1982-10-22 1984-04-28 Idemitsu Kosan Co Ltd Production of liquid diene copolymer
JPS629603B2 (en) * 1982-10-22 1987-03-02 Idemitsu Kosan Co
JPS62241971A (en) * 1986-04-14 1987-10-22 Idemitsu Petrochem Co Ltd Coating
WO1999035204A1 (en) * 1998-01-09 1999-07-15 Matsushita Electric Industrial Co., Ltd. Synthetic chloroprene rubber adhesive composition and process for producing speaker by using the same
CN1125154C (en) * 1998-01-09 2003-10-22 松下电器产业株式会社 Synthetic chloroprene rubber adhesive compsn. and process for producing speaker by using same
US7001480B1 (en) 1998-01-09 2006-02-21 Matsushita Electric Industrial Co., Ltd. Synthetic chloroprene rubber adhesive composition and process for producing speaker by using the same

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