PROTECTIVE FILM FOR AUTOMOTIVE WHEEL

WIPO Patent Application WO/2010/125972

A1

A protective film for automotive wheels which has excellent performances including the following. The protective film has excellent weatherability, and even when the motor vehicle is stored for a long period from completion to delivery, the protective film can be sufficiently prevented from decreasing in adhesive force. The protective film for automotive wheels comprises a base layer and a pressure-sensitive adhesive layer, and is characterized in that the pressure-sensitive adhesive layer has been formed from a pressure-sensitive adhesive composition comprising at least a (meth)acrylic polymer and a crosslinking agent, the (meth)acrylic polymer comprising 40-90 wt.% (meth)acrylic monomer having an alkyl group with 1-14 carbon atoms and, as other constituent monomer ingredient, at least a hydroxylated monomer, and the crosslinking agent being contained in an amount of 0.1-6 parts by weight per 100 parts by weight of the acrylic polymer, and that the pressure-sensitive adhesive layer has a gel content of 60-95 wt.%.

HANAKI,Ikkou (1-1-2 Shimohozumi,Ibaraki-sh, Osaka 80, 〒5678680, JP)
花木　一康 (〒80 大阪府茨木市下穂積１丁目１番２号　日東電工株式会社内 Osaka, 〒5678680, JP)
SAITOU,Yuki (1-1-2 Shimohozumi,Ibaraki-sh, Osaka 80, 〒5678680, JP)

JP2010/057175

November 04, 2010

April 22, 2010

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NITTO DENKO CORPORATION (1-1-2, ShimohozumiIbaraki-sh, Osaka 80, 〒5678680, JP)
日東電工株式会社 (〒80 大阪府茨木市下穂積１丁目１番２号 Osaka, 〒5678680, JP)
HANAKI,Ikkou (1-1-2 Shimohozumi,Ibaraki-sh, Osaka 80, 〒5678680, JP)
花木　一康 (〒80 大阪府茨木市下穂積１丁目１番２号　日東電工株式会社内 Osaka, 〒5678680, JP)

B32B7/12; B32B27/30; B60B7/02; C09J7/02; C09J133/06

UNIUS PATENT ATTORNEYS OFFICE (SHIN-OSAKA MT Bldg. 1, 13-9 Nishinakajima 5-chome, Yodogawa-ku, Osaka-sh, Osaka 11, 〒5320011, JP)

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