Effects of sealed pressing and ozonization on properties of styrene-butadiene rubber and polyethylene glycol adhesive bonded board produced by two-stage pressing

Boards were produced by using SP adhesive, which contains styrene-butadiene rubber and polyethylene glycol as major constituents. The use of polyethylene in place of clay, which is also a generally used constituent of SP adhesive, was confirmed to improve board properties. In general, the properties...

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Bibliographic Details
Published in:Journal of wood science 2010-06, Vol.56 (3), p.201-207
Main Authors: Korai, Hideaki, Ling, Nan, Sumida, Atsushi, Yasuda, Osamu, Osada, Takayoshi
Format: Article
Language:English
Subjects:
Adhesion
Adhesive bonding
Adhesives
Biomedical and Life Sciences
Board
Boards
Bond strength
Bonding strength
Butadiene
Characterization and Evaluation of Materials
Chemical industry
Constituents
Life Sciences
Materials Science
Mats
Original Article
polyethylene
Polyethylene glycol
Pressing
Properties (attributes)
Rubber
Sealed pressing
Styrene
Styrene-butadiene rubber
Styrenes
Two-stage pressing
Wood Science & Technology
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Summary:Boards were produced by using SP adhesive, which contains styrene-butadiene rubber and polyethylene glycol as major constituents. The use of polyethylene in place of clay, which is also a generally used constituent of SP adhesive, was confirmed to improve board properties. In general, the properties of boards are poorer when produced by two-stage pressing, in which mats are first processed by temporary adhesion and then processed into boards by permanent adhesion; however, the properties of boards produced by two-stage pressing were improved when polyethylene was added to the SP adhesive. In addition, internal bond strength and thickness swelling was greatly improved when boards were produced from ozonized wood and by sealed pressing. Thus, the properties impaired by two-stage pressing were improved by ozonization and sealed pressing.
ISSN:1435-0211
1611-4663
DOI:10.1007/s10086-009-1094-5