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Title:
【発明の名称】製紙用保持助剤
Document Type and Number:
Japanese Patent JP2912951
Kind Code:
B2
Abstract:
PCT No. PCT/KR94/00097 Sec. 371 Date Jan. 19, 1996 Sec. 102(e) Date Jan. 19, 1996 PCT Filed Jul. 20, 1994 PCT Pub. No. WO95/03450 PCT Pub. Date Feb. 2, 1995The present invention relates to retention aids for papermaking, in particular which comprise cationic multiarmed star-like polymers of formula (I): (D)y-(A)+547 B-(CH2)n-(E)p-(F)q+548 x(I) as an effective component to improve the retention of fines fraction by structural characteristics of multiarmed polymer chains connected with one starting point on the compound. In formula (I), A is or B is -O- or -COO-; D is -OH; E is F is wherein, R1-R11 are independently hydrogen or alkyl; Ra-Rd are independently hydrogen or alkyl; X-is x is an integer selected from 3 to 24; y is an integer selected from 0 to 21; n is an integer selected from 3 to 6; p is an integer selected from 300 to 4000; and q is an integer selected from 0 to 1000.

Inventors:
SHIN JON HO
HAN SHIN HO
O SAI KYON
Application Number:
JP50506695A
Publication Date:
June 28, 1999
Filing Date:
July 20, 1994
Export Citation:
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Assignee:
KORIA RISAACHI INST OBU CHEM TEKUNOROJII
International Classes:
C08F20/34; C08F20/52; C08F20/54; C08F24/00; C08F26/00; C08F26/02; C08F30/02; C08F30/08; D21H17/37; D21H21/10; (IPC1-7): D21H17/37; C08F20/34; C08F20/54; C08F24/00
Domestic Patent References:
JP4363306A
JP4245998A
Attorney, Agent or Firm:
Funakashi Eiko