Fibrous material including a water-soluble polyoxyalkylene...

Details Fibrous material including a water-soluble polyoxyalkylene... Fibrous material including a water-soluble polyoxyalkylene...

D - Textiles, Paper

06

N

9/61, 117/46.3

D06N 7/00 (2006.01) B32B 27/10 (2006.01) D21H 13/38 (2006.01) D21H 17/53 (2006.01)

Patent

CA 1135569

L36-028 FIBROUS MATERIAL HAVING GOOD DIMENSIONAL AND HEAT STABILITY ABSTRACT OF THE DISCLOSURE Fibrous material is provided comprising cellulose fibers and mineral wool fibers in a weight ratio within the range from about 3:7 to about 10:1, impregnated with an amount of a water-soluble polyoxyalkylene ether alcohol sufficient to impart dimensional stability thereto and having the formula: R1 [-O-(Cn1H2n1-O-)x-Cn2H2n2-OH]m wherein: R1 is hydrocarbon or hydrocarbon substituted with secondary hydroxyl groups and free from primary hydroxyl groups and having from one to about twenty-four carbon atoms; m is a number within the range from 1 to about 6; n1 is a number within the range from about 2 to about 4; n2 is a number within the range from 3 to 4; and -Cn2H2n2-OH is a branched chain propylene or butylene group having only secondary OH groups; and the total of x in all of the m groups (x multiplied by m) is a number within the range from about 2 to about 200; and optionally also impregnated with a plastic material.

351242

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