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1
Kent and Riegel's Handbook of Industrial Chemistry and ... - 438페이지
RAYON Chemical Manufacture Rayon, the first of the manufactured fibers produced in large volume, is based on the natural polymer cellulose, a repeat unit of ... The dissolving pulp is received by the rayon manufacturer in sheet or roll form.
2
Biotechnology for Pulp and Paper Processing - 193페이지
This pulp has special properties, such as a high level of brightness and uniform molecular weight distribution. It is used to make products that include rayon and acetate textile fibers, cellophane, photographic film, and various chemical ...
3
How It Works: Science and Technology - 851페이지
Syrupy orange viscose, prepared by the treatment of wood pulp with sodium hydroxide solution and carbon disulfide, is an intermediate in the manufacture of rayon. After ripening, this liquid will be extruded through a spinneret into a bath of ...
Marshall Cavendish Corporation Staff, 2003
4
Studies in Industrial Organization - 316페이지
RAW MATERIALS AND SOURCES The wood pulp used for viscose rayon comes generally from spruce and pine, though of late Germany has been able to adapt her considerable beech and straw resources, and Italy has made wide use of ...
5
Handbook on Pulp and Paper Processing - 394페이지
carried out to produce a rayon grade pulp from jute stick at our laboratory. Saha et. al (4) prepared a high grade rayon pulp from jute stick by prehydrolysis kraft process. The pulp had very high cellulose content and tyre chord like filament was ...
NPCS Board of Consultants & Engineers, 2008
6
The Evolution of Global Paper Industry 1800¬–2050: A ...
It must be emphasized that the rayon industry was also a key consumer of the imported pulp. In the early twentieth century, the textile industry was the main industry of Japan, unlike the more advanced paper producers in North America and ...
Juha-Antti Lamberg, Jari Ojala, Mirva Peltoniemi, 2012
7
Forest Resources of Chile as a Basis for Industrial Expansion
In the United States consumption of sulphate pulp tripled between 1925 and 1936. ... Chile now has a rayon yarn plant using 600 to 700 tons of high grade dissolving pulp annually and capable of doubling its capacity when additional ...
United States. Forest Service, 1946
8
Changing Environmental Ideologies - 219페이지
Viscose Rayon The rayon industry is handicapped by the scarcity of raw materials which have to be imported in large quantity. Jute stick might be substituted as a new raw material for the production of rayon -grade pulp. A high quality ...
Anil Kumar Tripathi, V. B. Bhatt, 1992
9
Report on Development and Use of Rayon and Other Synthetic ...
It is reported that construction is to start early in 1959 on a plant to produce pulp for newsprint from southern pine, and construction is now under way on a plant which will produce pulp for the rayon trade. It will probably be completed in the ...
United States. Dept. of Agriculture, 1938
이황화탄소 는 비스코스레이온 제조에 불가결한 원료인데, 연 한 노란색의 액체로 순수원액일 때는 냄새가 없다. 그러나 제조공정에서 또 다른 펄프 용제인 황화수 소(H2S)와의 혼합반응 시 심한 악취를 풍긴다. 만 성중독 증세로는 신경과민·시력장애· ...
