Paper sizing agent

Details Paper sizing agent Paper sizing agent

C - Chemistry, Metallurgy

08

F

402/310, 9/51

C08F 222/04 (2006.01) C07C 51/567 (2006.01) C07C 57/13 (2006.01) C08F 8/00 (2006.01) D21H 17/16 (2006.01)

Patent

CA 1224000

ABSTRACT OF THE DISCLOSURE A paper sizing agent is disclosed. The sizing agent is obtained by alkali saponification of a reaction product which is obtained by reacting a propylene oligomer with maleic anhydride under heating in the absence of a catalyst. The propylene oligomer contains substantially no oligomers having 10 or less carbon atoms. Further, the content of oligomers having 11 to 12 carbon atoms is 0 to 30% by volume, the content of oligomers having 13 to 15 carbon atoms is 20 to 95% by volume and the content of oligomers having 16 to 21 carbon atoms is 5 to 50% by volume. The paper sizing agent provides a homogeneous transparent sizing agent, which restrains the amount of the foaming and also has improved sizing effects.

442381

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