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Crosslinked vinyl alcohol/vinylamine copolymers for dry end paper addition 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • D21H-017/33
출원번호 US-0003760 (1993-01-13)
발명자 / 주소
  • Smigo John G. (Whitehall PA) Robeson Lloyd M. (Macungie PA) Davidowich George (Allentown PA) Miller Gerald D. (Emmaus PA) Carroll William E. (Orefield PA)
출원인 / 주소
  • Air Products and Chemicals, Inc. (Allentown PA 02)
인용정보 피인용 횟수 : 64  인용 특허 : 0

초록

An improved papermaking process has been developed to enhance the properties of the resultant paper or paper-type products. The process involves adding a polyvinyl alcohol/vinylamine copolymer along with a crosslinking agent at the dry end step of a conventional papermaking process. Improvements in

대표청구항

In a papermaking process, the improvement for producing paper having improved strength properties, said improvement comprising: adding a polyvinyl alcohol/vinylamine copolymer containing between 0.5 and 25 mole% vinylamine units to the paper stock in the papermaking process in an amount from about 0

이 특허를 인용한 특허 (64)

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  10. Beckman, Eric J.; Carroll, W. Eamon; Chapman, Toby; Minnich, Kristen E.; Sagl, Dennis; Goddard, Richard J., Cellulosic composition.
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  14. Luu, Phuong Van; Neculescu, Cristian M.; Mews, Dawn M., Crosslinkable creping adhesive formulations.
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