AN ADDITIVE, USE OF SAID ADDITIVE IN PAPER OR BOARD PRODUCTION, A METHOD OF IMPROVING PAPER OR BOARD MANUFACTURING AND A METHOD OF IMPROVING PAPER OR BOARD PRODUCT

摘要

An additive for paper or board production e.g. for decreasing pitch problems. The additive includes at least a component including fatty acid glycerides, preferably triglycerides, comprising a high percentage of unsaturated, preferably polyunsaturated, fatty acids. Raw or partly polymerized plant oil, such as sunflower oil, may be used.