JPS5494589A - Composite sheet - Google Patents

Composite sheet

Info

Publication number
JPS5494589A
JPS5494589A JP89878A JP89878A JPS5494589A JP S5494589 A JPS5494589 A JP S5494589A JP 89878 A JP89878 A JP 89878A JP 89878 A JP89878 A JP 89878A JP S5494589 A JPS5494589 A JP S5494589A
Authority
JP
Japan
Prior art keywords
compound
fiber sheets
impregnated
benzyl
coated
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
JP89878A
Other languages
Japanese (ja)
Other versions
JPS575903B2 (en
Inventor
Kazuyoshi Okamoto
Mineto Fushida
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 JP89878A priority Critical patent/JPS5494589A/en
Publication of JPS5494589A publication Critical patent/JPS5494589A/en
Publication of JPS575903B2 publication Critical patent/JPS575903B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
  • Laminated Bodies (AREA)

Abstract

PURPOSE:Fiber sheets are impregnated or coated with a polyurethane containing a specific spiro compound to improve the prevention of yellowing caused by NOx and pinking caused by exhausting gases from vehicles. CONSTITUTION:Fiber sheets are impregnated and/or coated with a polyurethane containing a compound of the formula (K is H, benzyl; R1-R5 are H, hydrocar- byl) or its derivative. The fiber sheets mean knitted, woven and nonwoven fabrics and fibers forming these fabrics are preferably extremely fine as less than 0.3 denier. The compound of the formula is, e.g., 1,3,8-triaza-8-benzyl-7,7,9,9-tetramethyl-3-octyl-spiro[4,5]-decane-2, 4-dioene.
JP89878A 1978-01-10 1978-01-10 Composite sheet Granted JPS5494589A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP89878A JPS5494589A (en) 1978-01-10 1978-01-10 Composite sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP89878A JPS5494589A (en) 1978-01-10 1978-01-10 Composite sheet

Publications (2)

Publication Number Publication Date
JPS5494589A true JPS5494589A (en) 1979-07-26
JPS575903B2 JPS575903B2 (en) 1982-02-02

Family

ID=11486493

Family Applications (1)

Application Number Title Priority Date Filing Date
JP89878A Granted JPS5494589A (en) 1978-01-10 1978-01-10 Composite sheet

Country Status (1)

Country Link
JP (1) JPS5494589A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0734816A (en) * 1993-07-16 1995-02-03 Daihatsu Diesel Mfg Co Ltd Valve guide of gas engine exhaust valve

Also Published As

Publication number Publication date
JPS575903B2 (en) 1982-02-02

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