Preparation and Properties of Polyurethane Adhesive Derived from Modified Rubber Seed Oil and Toluene Diisocyanates

Nitinart Saetung; Darunrat Dawkrajai; Anuwat Saetung

doi:10.4028/www.scientific.net/AMR.931-932.52

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 931-932Preparation and Properties of Polyurethane...

Preparation and Properties of Polyurethane Adhesive Derived from Modified Rubber Seed Oil and Toluene Diisocyanates

Abstract:

In this research, the polyurethane adhesive based on modified rubber seed oil with toluene diisocyanates was successfully synthesized in presence of DBTL catalyst. The chemical structure of modified rubber seed oil was characterized by ¹H-NMR. The suitable reaction time of the polyurethane adhesive synthesis was 4h by providing with FT-IR technique. The effects of NCO index and chain extender (1,4-butane diols) content in adhesive formulation as well as cure temperature were also studied by leather to leather on adhesion peel strength. It was found that the higher NCO index or chain extender content gave the higher adhesion of substrate. The cure temperature of adhesive at 70 °C gave the better peel strength than that at 30 °C during 24 h.

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Periodical:

Advanced Materials Research (Volumes 931-932)

Pages:

52-56

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https://doi.org/10.4028/www.scientific.net/AMR.931-932.52

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Online since:

May 2014

Authors:

Nitinart Saetung*, Darunrat Dawkrajai, Anuwat Saetung

Keywords:

Adhesive, Polyurethane, Rubber Seed Oil

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