JPS57155256A - Molding resin composition for acoustic apparatus - Google Patents

Molding resin composition for acoustic apparatus

Info

Publication number
JPS57155256A
JPS57155256A JP4271681A JP4271681A JPS57155256A JP S57155256 A JPS57155256 A JP S57155256A JP 4271681 A JP4271681 A JP 4271681A JP 4271681 A JP4271681 A JP 4271681A JP S57155256 A JPS57155256 A JP S57155256A
Authority
JP
Japan
Prior art keywords
filler
inorganic filler
flaky
resin composition
particle diameter
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
JP4271681A
Other languages
Japanese (ja)
Inventor
Nobuhide Kitao
Yoshihiro Yamamoto
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.)
Nitto Denko Corp
Original Assignee
Nitto Electric Industrial 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 Nitto Electric Industrial Co Ltd filed Critical Nitto Electric Industrial Co Ltd
Priority to JP4271681A priority Critical patent/JPS57155256A/en
Publication of JPS57155256A publication Critical patent/JPS57155256A/en
Pending legal-status Critical Current

Links

Landscapes

  • Casings For Electric Apparatus (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

PURPOSE: The titled composition, containing a flaky inorganic filler having a specific flake particle diameter and a thermosetting resin, having a high rigidity and a great internal loss equal to that of a wooden plate, and suitable for molding speaker boxes.
CONSTITUTION: A thermosetting resin composition, e.g. an unsaturated polyester resin, is incorporated with preferably 5W80wt% flaky inorganic filler, preferably mica, having a flake particle diameter of 20W300μ as a part or whole of the inorganic filler. Preferably, a powdery filler, e.g. mica or talc, is added thereto in an amount to give a molded cured article having a specific gravity of 1.4W 2.5 and the total amount of the filler of 50W80wt%. A curing agent, fibrous reinforcing material, etc. may be used if necessary.
EFFECT: Molded articles having improved sound insulating properties are obtained because of the flaky filler oriented in layers.
COPYRIGHT: (C)1982,JPO&Japio
JP4271681A 1981-03-23 1981-03-23 Molding resin composition for acoustic apparatus Pending JPS57155256A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4271681A JPS57155256A (en) 1981-03-23 1981-03-23 Molding resin composition for acoustic apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4271681A JPS57155256A (en) 1981-03-23 1981-03-23 Molding resin composition for acoustic apparatus

Publications (1)

Publication Number Publication Date
JPS57155256A true JPS57155256A (en) 1982-09-25

Family

ID=12643790

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4271681A Pending JPS57155256A (en) 1981-03-23 1981-03-23 Molding resin composition for acoustic apparatus

Country Status (1)

Country Link
JP (1) JPS57155256A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63120756A (en) * 1986-11-10 1988-05-25 Kuraray Co Ltd Filled resin composition

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63120756A (en) * 1986-11-10 1988-05-25 Kuraray Co Ltd Filled resin composition

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