Assessing effects of thermoset polyester resin waste powder on the processing and mechanical properties of natural rubber

Ansarifar A., . and Wang L., . and Osmani M., . and Pappu A., . Assessing effects of thermoset polyester resin waste powder on the processing and mechanical properties of natural rubber. pp. 12-26. ISSN 1511-1768

Products made of glass fibre reinforced polymers are often disposed off in land fills incinerated or processed into waste powders at the end of their service life. Waste powders can be recycled as fillers for use in virgin polymers. The effects of up to 50 parts per hundred rubber by weight thermoset polyester resin waste powder on the viscosity cure and mechanical properties of a sulphur-cured natural rubber compound were studied. The powder had resin polymer particles and glass fibre fragments ranging from approximately a few microns to 700 microns in size. The viscosity remained unchanged and the cure properties deteriorated when the powder was added to the rubber. The hardness Young s modulus and tensile modulus increased whereas the tensile strength elongation at break stored energy density at break and tearing energy decreased. There was also evidence of poor adhesion between the powder and rubber. The waste powder could be recycled as an extender filler to replace a portion of the raw rubber in the compound.

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Abstract

Products made of glass fibre reinforced polymers are often disposed off in land fills incinerated or processed into waste powders at the end of their service life. Waste powders can be recycled as fillers for use in virgin polymers. The effects of up to 50 parts per hundred rubber by weight thermoset polyester resin waste powder on the viscosity cure and mechanical properties of a sulphur-cured natural rubber compound were studied. The powder had resin polymer particles and glass fibre fragments ranging from approximately a few microns to 700 microns in size. The viscosity remained unchanged and the cure properties deteriorated when the powder was added to the rubber. The hardness Young s modulus and tensile modulus increased whereas the tensile strength elongation at break stored energy density at break and tearing energy decreased. There was also evidence of poor adhesion between the powder and rubber. The waste powder could be recycled as an extender filler to replace a portion of the raw rubber in the compound.

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Item Type:	Article
AGROVOC Term:	Polyesters
AGROVOC Term:	Mechanical properties
AGROVOC Term:	Natural rubber
AGROVOC Term:	Sulphur
AGROVOC Term:	Recycling
AGROVOC Term:	Polymers
AGROVOC Term:	Waste management
Depositing User:	Ms. Suzila Mohamad Kasim
Last Modified:	24 Apr 2025 06:28
URI:	http://webagris.upm.edu.my/id/eprint/23041

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