JPH02271607A - エレクトレット材料およびその製造方法 - Google Patents

エレクトレット材料およびその製造方法

Info

Publication number
JPH02271607A
JPH02271607A JP9376589A JP9376589A JPH02271607A JP H02271607 A JPH02271607 A JP H02271607A JP 9376589 A JP9376589 A JP 9376589A JP 9376589 A JP9376589 A JP 9376589A JP H02271607 A JPH02271607 A JP H02271607A
Authority
JP
Japan
Prior art keywords
polypropylene
electret
weight
parts
pts
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
JP9376589A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0576167B2 (https=
Inventor
Eiichi Nishiura
栄一 西浦
Katsutoshi Ando
勝敏 安藤
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.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
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 Toray Industries Inc filed Critical Toray Industries Inc
Priority to JP9376589A priority Critical patent/JPH02271607A/ja
Publication of JPH02271607A publication Critical patent/JPH02271607A/ja
Publication of JPH0576167B2 publication Critical patent/JPH0576167B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
JP9376589A 1989-04-13 1989-04-13 エレクトレット材料およびその製造方法 Granted JPH02271607A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9376589A JPH02271607A (ja) 1989-04-13 1989-04-13 エレクトレット材料およびその製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9376589A JPH02271607A (ja) 1989-04-13 1989-04-13 エレクトレット材料およびその製造方法

Publications (2)

Publication Number Publication Date
JPH02271607A true JPH02271607A (ja) 1990-11-06
JPH0576167B2 JPH0576167B2 (https=) 1993-10-22

Family

ID=14091525

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9376589A Granted JPH02271607A (ja) 1989-04-13 1989-04-13 エレクトレット材料およびその製造方法

Country Status (1)

Country Link
JP (1) JPH02271607A (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5773375A (en) * 1996-05-29 1998-06-30 Swan; Michael D. Thermally stable acoustical insulation
US6780226B1 (en) * 1995-02-28 2004-08-24 Hollingsowrth & Vose Company Charge stabilized electret filter media

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6780226B1 (en) * 1995-02-28 2004-08-24 Hollingsowrth & Vose Company Charge stabilized electret filter media
US5773375A (en) * 1996-05-29 1998-06-30 Swan; Michael D. Thermally stable acoustical insulation
US5961904A (en) * 1996-05-29 1999-10-05 Minnesota Mining And Manufacturing Co. Method of making a thermally stable acoustical insulation microfiber web

Also Published As

Publication number Publication date
JPH0576167B2 (https=) 1993-10-22

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