Profile gasket and composition thereof
OwnerYoung Juninventor
Life of this patent
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Abstract
A profile gasket has a locking part below a gasket base for mounting the gasket to a target body such as a refrigerator door. The gasket also has a sealing portion and an elastic support for elastically supporting the sealing portion to the gasket base. The gasket is made of a thermoplastic resin having a preferred composition.
Claims9
A profile gasket composition comprising a base resin comprising 8-15 parts by weight of a dynamically crosslinked mixture or blended elastomer (Semi-IPN) of a synthetic rubber and polypropylene;
- 10-20 parts by weight of a metallocene-based olefin elastomer;
- 2.13-10.3 parts by weight of polymethylmethacrylate;
- 0.6-6 parts by weight of a hydrogen-added thermoplastic resin (HSBC);
- and 2-10 parts by weight of a mixture of thermoplastic urethane and a hydrogen-added resin as an adhesive resin.
A profile gasket comprising a high hardness part and a low hardness part, manufactured from the composition comprising a base resin including 8-15 parts by weight of a dynamically crosslinked mixture or blended elastomer (Semi-IPN) of a synthetic rubber and polypropylene;
- 10-20 parts by weight of a metallocene-based olefin elastomer;
- 2.13-10.3 parts by weight of polymethylmethacrylate;
- 0.6-6 parts by weight of a hydrogen-added thermoplastic resin (HSBC);
- and 2-10 parts by weight of a mixture of thermoplastic urethane and a hydrogen-added resin as an adhesive resin.
Dependencies are inferred from the claim text.