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Radiation Grafting of Vinyl Comonomers to Wood [Status and technology of polymer-containing fibrous materials in the Eastern Hemisphere]

Abstract

The author has been studying graft-copolymerization of wood materials and the preparation of WPC by radiation since 1961 and has submitted 15 reports on the subject to the academic societies concerned. He named this type of material 'Plamo-wood' and studied its mechanical properties to determine possible new applications. It became apparent that it is most desirable to reduce the total dosage to a minimum and this problem must be solved first before successful commercialization can be realized. The total dosage was reduced to about 1/3 to 1/5 (0. 2 to 0. 5 Mrad) of that required for the manufacture of the WPC commercialized in the United States of America, the essentials of which are given below. Two methods of manufacturing WPC have been reported in the United States, one being the radiation method, established by the AEC in 1960, and the other the chemical method (making use of a polymerization initiator) which was proposed by J. A. Meyer et al. in 1966. However, the specimens used with the latter method are limited in size. The author examined these two methods and compared them with each other. As pointed out by Harmison, the use of large-sized specimens in the polymerization initiator  More>>
Authors:
Murayama, T. [1] 
  1. Government Forest Experiment Station, Ministry of Agriculture and Forestry, Tokyo (Japan)
Publication Date:
Oct 15, 1968
Product Type:
Conference
Resource Relation:
Conference: Study Group on Impregnated Fibrous Materials, Bangkok (Thailand), 20-24 Nov 1967; Other Information: 2 figs.; Related Information: In: Impregnated Fibrous Materials. Report of a Study Group on Impregnated Fibrous Materials| 395 p.
Subject:
36 MATERIALS SCIENCE; COMPARATIVE EVALUATIONS; COPOLYMERIZATION; MECHANICAL PROPERTIES; POLYMERS; WOOD
OSTI ID:
22262936
Research Organizations:
International Atomic Energy Agency, Vienna (Austria)
Country of Origin:
IAEA
Language:
English
Other Identifying Numbers:
TRN: XA14M5791084163
Submitting Site:
INIS
Size:
page(s) 262-263
Announcement Date:
Sep 16, 2014

Citation Formats

Murayama, T. Radiation Grafting of Vinyl Comonomers to Wood [Status and technology of polymer-containing fibrous materials in the Eastern Hemisphere]. IAEA: N. p., 1968. Web.
Murayama, T. Radiation Grafting of Vinyl Comonomers to Wood [Status and technology of polymer-containing fibrous materials in the Eastern Hemisphere]. IAEA.
Murayama, T. 1968. "Radiation Grafting of Vinyl Comonomers to Wood [Status and technology of polymer-containing fibrous materials in the Eastern Hemisphere]." IAEA.
@misc{etde_22262936,
title = {Radiation Grafting of Vinyl Comonomers to Wood [Status and technology of polymer-containing fibrous materials in the Eastern Hemisphere]}
author = {Murayama, T.}
abstractNote = {The author has been studying graft-copolymerization of wood materials and the preparation of WPC by radiation since 1961 and has submitted 15 reports on the subject to the academic societies concerned. He named this type of material 'Plamo-wood' and studied its mechanical properties to determine possible new applications. It became apparent that it is most desirable to reduce the total dosage to a minimum and this problem must be solved first before successful commercialization can be realized. The total dosage was reduced to about 1/3 to 1/5 (0. 2 to 0. 5 Mrad) of that required for the manufacture of the WPC commercialized in the United States of America, the essentials of which are given below. Two methods of manufacturing WPC have been reported in the United States, one being the radiation method, established by the AEC in 1960, and the other the chemical method (making use of a polymerization initiator) which was proposed by J. A. Meyer et al. in 1966. However, the specimens used with the latter method are limited in size. The author examined these two methods and compared them with each other. As pointed out by Harmison, the use of large-sized specimens in the polymerization initiator method will give rise to the following problems, which may lead to deterioration in the properties of the wood material.}
place = {IAEA}
year = {1968}
month = {Oct}
}