| 摘要 |
PROBLEM TO BE SOLVED: To provide a paper material that cuts ultraviolet rays injurious to human bodies and shows excellent resistance to light, fastness and the like. SOLUTION: This paper-making process comprises the step where 5-40% of titanium oxide is admixed to pulp molten in alkaline solution to form a kneaded product, the step where the kneaded product is extruded through a dice and soaked in an acid to form fibrous substance, the step where the fibrous substance is washed with water, drawn to a desired thickness and cut in the length of 3-20 mm and the step where the resultant fibrous substance is admixed to a cellulosic material, for example, rayon or wood pulp and the mixture is subjected to the wet paper making.
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