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RU

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2 703 224

(13)

C1

(51)

IPC

D21H21/10(2006-01-01)

D21H11/18(2006-01-01)

D21H17/37(2006-01-01)

D21H17/38(2006-01-01)

(21) (22)

Application

2018115277, 2015-10-12

(24)

Start date

2015-10-12

(22)

Actual filing date

2015-10-12

(45)

Published

2019-10-15

(72)

Inventor

Harrington, John, C.Lusvardi, Kate, MarrittZhang, Fushan

(73)

Holder

Solenis Technologies, L.P.Upm-Kymmene Corporation

METHOD OF INCREASING THE EFFICIENCY OF CELLULOSE PULP DEHYDRATION IN THE PROCESS OF PRODUCTION OF PAPER PRODUCTS AND PRODUCTS OBTAINED USING SAID METHOD Russian patent published in 2019 - IPC D21H21/10 D21H11/18 D21H17/37 D21H17/38 

Abstract RU 2703224 C1

FIELD: pulp industry.

SUBSTANCE: invention relates to production of paper. Method includes adding (a) at least one microfibrillated cellulose and (b) at least one associative polymer to the cellulose pulp. Said addition takes place prior to the dewatering step, where the cellulose pulp is converted into a fibrous mat.

EFFECT: higher efficiency of cellulose pulp dehydration in production of paper products.

18 cl, 5 tbl

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RU 2 703 224 C1

Authors

Harrington, John, C.

Lusvardi, Kate, Marritt

Zhang, Fushan

Dates

2019-10-15—Published

2015-10-12—Filed

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