Fiber-matrix Adhesion of Hydroperoxidized and Corona Discharge Treated Ultra-high Modulus Polyethylene

George G.A. and Willis H.A. (1989) Fiber-matrix Adhesion of Hydroperoxidized and Corona Discharge Treated Ultra-high Modulus Polyethylene. High Performance Polymers, 1 4: 335-351. doi:10.1177/095400838900100407


Author George G.A.
Willis H.A.
Title Fiber-matrix Adhesion of Hydroperoxidized and Corona Discharge Treated Ultra-high Modulus Polyethylene
Journal name High Performance Polymers   Check publisher's open access policy
ISSN 1361-6412
Publication date 1989
Sub-type Article (original research)
DOI 10.1177/095400838900100407
Volume 1
Issue 4
Start page 335
End page 351
Total pages 17
Subject 2505 Materials Chemistry
1605 Policy and Administration
2507 Polymers and Plastics
Abstract Controlled hydroperoxidation of commercial ultra-high modulus polyethylene (UHMPE) fibers has been used to provide grafting sites for the styrene crosslinking reaction of an unsaturated polyester resin. This has provided a covalent bond between the reinforcing fiber and matrix of the composite material so maximizing the interfacial adhesion. By using chemiluminescence and X-ray photoelectron spectroscopy to determine the nature of the oxidized surface of UHMPE, the treatment was optimized for hydroperoxide formation. This yielded the highest fiber-resin bond as determined by yarn pullout force. Commercial corona discharge treatment resulted in a lower bond strength which was attributed to a weak outer layer of highly oxidized material. This produced fiber slippage as indicated by scanning electron microscopy, in contrast to matrix cracking and interior shear of the fiber on pullout of the hydroperoxidized material.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import
 
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Created: Tue, 05 Jul 2016, 03:32:54 EST by System User