JPS56144A - Reinforcement member for sound-absorbing damping material - Google Patents

Reinforcement member for sound-absorbing damping material

Info

Publication number
JPS56144A
JPS56144A JP7603879A JP7603879A JPS56144A JP S56144 A JPS56144 A JP S56144A JP 7603879 A JP7603879 A JP 7603879A JP 7603879 A JP7603879 A JP 7603879A JP S56144 A JPS56144 A JP S56144A
Authority
JP
Japan
Prior art keywords
sound
absorbing
rubber powder
damping material
reinforcement member
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
JP7603879A
Other languages
Japanese (ja)
Inventor
Yoshiyuki Fukuyama
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.)
Showa Denko Materials Co Ltd
Original Assignee
Hitachi Chemical 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 Hitachi Chemical Co Ltd filed Critical Hitachi Chemical Co Ltd
Priority to JP7603879A priority Critical patent/JPS56144A/en
Publication of JPS56144A publication Critical patent/JPS56144A/en
Pending legal-status Critical Current

Links

Landscapes

  • Compositions Of Macromolecular Compounds (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
  • Vibration Prevention Devices (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

PURPOSE: To obtain a member being strong and excellent in a noise-proof property, by a method wherein a subject member for absorbing car engine noise is produced such that a given percent of rubber powder is added to thermosetting resin.
CONSTITUTION: A strength member for a sound-absorbing damping material comprises components, such as unsaturated polyester resins 1 or the like in addition to rubber powder 3, and calcium carbonate 2 or the like is further added as required as a filler. The rubber powder 3 at 5W50wt% is contained in a composition. If the content is less than 5wt%, a sound-absorbing property is hardly improved. Meanwhile, if it exceeds 50wt%, it weakens a binding strength and is not suited as a reinforcement member.
COPYRIGHT: (C)1981,JPO&Japio
JP7603879A 1979-06-15 1979-06-15 Reinforcement member for sound-absorbing damping material Pending JPS56144A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7603879A JPS56144A (en) 1979-06-15 1979-06-15 Reinforcement member for sound-absorbing damping material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7603879A JPS56144A (en) 1979-06-15 1979-06-15 Reinforcement member for sound-absorbing damping material

Publications (1)

Publication Number Publication Date
JPS56144A true JPS56144A (en) 1981-01-06

Family

ID=13593631

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7603879A Pending JPS56144A (en) 1979-06-15 1979-06-15 Reinforcement member for sound-absorbing damping material

Country Status (1)

Country Link
JP (1) JPS56144A (en)

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