SHRINKAGE, CURE CHARACTERIZATION AND PROCESSING OF UNSATURATED POLYESTER RESIN CONTAINING PVAC LOW-PROFILE ADDITIVE

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HAYATY M.; BEHESHTI M.H.

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Journal Paper

Paper Information

Journal: IRANIAN POLYMER JOURNAL Year:2004 | Volume:13 | Issue:5 Page(s): 389-396

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Information Journal Paper

Title

SHRINKAGE, CURE CHARACTERIZATION AND PROCESSING OF UNSATURATED POLYESTER RESIN CONTAINING PVAC LOW-PROFILE ADDITIVE

Author(s)

HAYATY M. | BEHESHTI M.H. | Issue Writer Certificate

Keywords

SHRINKAGE

UNSATURATED POLYESTER

POLYVINYL ACETATE

CURING

COMPOSITE

Abstract

With the development of composite manufacturing processes, such as low-pressure compression moulding of sheet moulding compounds (SMC), resin transfer moulding (RTM) and vacuum infusion moulding processes, low-shrinkage resin which can be processed at low temperatures have attracted considerable interest from the composite industry. In this paper the effect of polyvinyl acetate (PVAc) as a low profile additive (LPA) on shrinkage control of an iso unsaturated polyester resin has been investigated and cure behaviour, morphology and mechanical properties of this system has been studied. Our studies show that the maximum exothermic temperature and the rate of cure decreases with increasing the PVAc concentration. The PVAc content has a significant effect on the resin viscosity. It was found that there are two transitions for UP resin containing PVAc cured at low temperatures. The PVAc content is effective for shrinkage control only in a concentration between these two transitions. Experimental results showed that the mechanical properties of this system decreases by increasing the PVAc content.

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APA: Copy

HAYATY, M., & BEHESHTI, M.H.. (2004). SHRINKAGE, CURE CHARACTERIZATION AND PROCESSING OF UNSATURATED POLYESTER RESIN CONTAINING PVAC LOW-PROFILE ADDITIVE . IRANIAN POLYMER JOURNAL (ENGLISH), 13(5), 389-396. SID. https://sid.ir/paper/531406/en

Vancouver: Copy

HAYATY M., BEHESHTI M.H.. SHRINKAGE, CURE CHARACTERIZATION AND PROCESSING OF UNSATURATED POLYESTER RESIN CONTAINING PVAC LOW-PROFILE ADDITIVE . IRANIAN POLYMER JOURNAL (ENGLISH)[Internet]. 2004;13(5):389-396. Available from: https://sid.ir/paper/531406/en

IEEE: Copy

M. HAYATY, and M.H. BEHESHTI, “SHRINKAGE, CURE CHARACTERIZATION AND PROCESSING OF UNSATURATED POLYESTER RESIN CONTAINING PVAC LOW-PROFILE ADDITIVE ,” IRANIAN POLYMER JOURNAL (ENGLISH), vol. 13, no. 5, pp. 389–396, 2004, [Online]. Available: https://sid.ir/paper/531406/en

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