アルキル化セルロースエーテルと非アルキル化セルロースエーテルとの混合物およびその用途

Japanese Patent JP2006502251

A

The invention relates to mixtures of cellulose ethers, comprising A) allyl-modified cellulose ethers of formula (1) where C₆H₇O₂ is one anhydroglucose unit, n is from 50 to 1600, R¹, R² and R³ independently of one another are a polyalkylene oxide chain of the formula (2), with X=H, CH₃, C₂H₅ or CH₂CH-CH₂ and in which p, q and r independently of one another, in R¹, R² and R³ each independently, can adopt values from 0 to 4, the sum (p+q+r) added over R¹, R² and R³ per anhydroglucose unit is on average more than 1.3 and less than 4.5, the sequence of the oxyalkyl units in the polyalkylene oxide chain is arbitrary and the average number of -CH₂CH-CH₂- groups per anhydroglucose unit is from 0.01 to 0.1, and B) cellulose ethers of formula (3) where C₆H₇O₂ is one anhydroglucose unit, n is from 50 to 1600, R⁴, R⁵ and R⁶ independently of one another are a polyalkylene oxide chain of formula (4) where Y=H, CH₃ or C₂H₅ and in which p, q and r independently of one another, in R⁴, R⁵ and R⁶ each independently, can adopt values of 0 to 4, the sum (p+q+r) added over R⁴, R⁵ and R⁶ per anhydroglucose unit is on average more than 1.3 and less than 4.5, and the sequence of the oxyalkyl units in the polyalkylene oxide chain is arbitrary, in an A:B mixing ratio of from 1:99 to 99:1 by weight.

Crammer Eckart
Galah Hiko
Falk Uwe

JP2004525228A

January 19, 2006

July 17, 2003

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S.A.Tirose Gesellschaft Mito Beschlenktel Haftung und Companie Commande Geselshaft

C08L1/28; C08B11/00; C08B11/08; C08B11/187; C08B11/193; C08B11/20; C08B15/00; C08F2/24; C08F2/30; C08F251/02; C08F283/06; C08F290/06; C08F290/10; C08G65/22; C08G65/26; C08L1/26; C08L51/02; C08L51/08; C08L71/02

JPH10265502A

1998-10-06

Mitsufumi Esaki
Tsuneo Mihara
Okumura Yoshimichi
Blacksmith

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