JPS6479209A - Preparation of acrylic resin having improved properties - Google Patents

Preparation of acrylic resin having improved properties

Info

Publication number
JPS6479209A
JPS6479209A JP20314288A JP20314288A JPS6479209A JP S6479209 A JPS6479209 A JP S6479209A JP 20314288 A JP20314288 A JP 20314288A JP 20314288 A JP20314288 A JP 20314288A JP S6479209 A JPS6479209 A JP S6479209A
Authority
JP
Japan
Prior art keywords
polymn
acrylic resin
average
copolymers
methyl methacrylate
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
JP20314288A
Other languages
Japanese (ja)
Other versions
JPH0331725B2 (en
Inventor
Katsuaki Maeda
Kohei Ozawa
Junji Seki
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.)
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry 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
Priority claimed from JP10981379A external-priority patent/JPS5634715A/en
Application filed by Asahi Chemical Industry Co Ltd filed Critical Asahi Chemical Industry Co Ltd
Priority to JP20314288A priority Critical patent/JPS6479209A/en
Publication of JPS6479209A publication Critical patent/JPS6479209A/en
Publication of JPH0331725B2 publication Critical patent/JPH0331725B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Injection Moulding Of Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Polymerisation Methods In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

PURPOSE:To prepare an acrylic resin which is excellent in melt fluidity during molding and in solvent resistance, by copolymerizing a monomer mixture consisting chiefly of methyl methacrylate under specified conditions to form a copolymer having a specified composition. CONSTITUTION:Methyl methacrylate and alkyl arylate are copolymerized in such a manner that the monomers in an amt. corresponding to 2.5-10.0wt.% of the whole mixture are first polymerized into polymers having a wt.-average MW of at least 1,000,000 and that the polymers obtd. are then dissolved in an unchanged monomer phase so as to cause a suspension polymn., an emulsion polymn. or a bulk polymn. The adoption of such a polymn. method makes it possible to obtain a homogeneously dispersed acrylic resin consisting of at least 80wt.% copolymers contg. methyl methacrylate as a monomer unit, 2.5-10.0wt.% copolymers having a wt.-average MW of at least 1,000,000 and the balance being copolymers having a wt.-average MW less than 1,000,000, and having an intrinsic viscosity ranging 0.033-0.100l/g.
JP20314288A 1979-08-29 1988-08-17 Preparation of acrylic resin having improved properties Granted JPS6479209A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20314288A JPS6479209A (en) 1979-08-29 1988-08-17 Preparation of acrylic resin having improved properties

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10981379A JPS5634715A (en) 1979-08-29 1979-08-29 Acrylic resin having improved property
JP20314288A JPS6479209A (en) 1979-08-29 1988-08-17 Preparation of acrylic resin having improved properties

Publications (2)

Publication Number Publication Date
JPS6479209A true JPS6479209A (en) 1989-03-24
JPH0331725B2 JPH0331725B2 (en) 1991-05-08

Family

ID=26449527

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20314288A Granted JPS6479209A (en) 1979-08-29 1988-08-17 Preparation of acrylic resin having improved properties

Country Status (1)

Country Link
JP (1) JPS6479209A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023238886A1 (en) * 2022-06-07 2023-12-14 株式会社カネカ Methacrylic resin and method for producing same, resin composition, dope, and resin film

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52117987A (en) * 1976-03-31 1977-10-03 Asahi Chem Ind Co Ltd Production of methyl methacrylate polymer
JPS5311984A (en) * 1976-07-20 1978-02-02 Sumitomo Chem Co Ltd Continuous polymerization

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52117987A (en) * 1976-03-31 1977-10-03 Asahi Chem Ind Co Ltd Production of methyl methacrylate polymer
JPS5311984A (en) * 1976-07-20 1978-02-02 Sumitomo Chem Co Ltd Continuous polymerization

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023238886A1 (en) * 2022-06-07 2023-12-14 株式会社カネカ Methacrylic resin and method for producing same, resin composition, dope, and resin film

Also Published As

Publication number Publication date
JPH0331725B2 (en) 1991-05-08

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