Teijin Frontier
Eco-minded adhesive for rubber reinforcing fiber

05.03.2020 The fiber-product converting company Teijin Frontier Co., Ltd., Tokyo/Japan, has launched a new eco-minded adhesive for rubber reinforcing fiber that does not use resorcinol-formaldehyde (RF) but still achieves the same level of performance as conventional methods.

© Photo: Teijin
The new adhesive, one of the company’s latest “Think Eco” applications for environmental protection, will be test marketed beginning 2020.
Resorcinol-formaldehyde latex (RFL) adhesives have long been used to reinforce rubber products, such as tires, with fiber to maintain strength and morphological stability. In recent years, however, demands have been growing for solutions that do not use RF, which has been shown to have harmful effects on the human body.
The new adhesive uses a non-RF blended polymer for bonding. The polymer, which is reticulated by intermolecular interaction, achieves a high level of adhesiveness, equivalent to that of an RFL adhesive thanks to its high affinity for both fiber and rubber.

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