LAMINATE

WIPO Patent Application WO/2013/018676

A1

The present invention provides a novel laminate (heat-resistant protective material) using a thermally expandable material, which is reduced in weight without deteriorating thinness at the initial stage, thermal expandability and protection performance against heat. The present invention specifically provides a thermally expandable laminate which is characterized in that: (1) the laminate is obtained by laminating at least a thermal expansion layer (A) and a thermal expansion layer (B); (2) the thermal expansion layer (A) contains a binder, a flame retardant, a foaming agent and a carbonization agent, and in cases where the thermal expansion layer (A) additionally contains an inorganic light-weight powder (A), the content of the inorganic light-weight powder (A) in the thermal expansion layer (A) is less than 5% by volume; (3) the thermal expansion layer (B) contains a binder, a flame retardant, a foaming agent, a carbonization agent and an inorganic light-weight powder (B), and the content of the inorganic light-weight powder (B) in the thermal expansion layer (B) is 5-70% by volume; and (4) the inorganic light-weight powder (A) and the inorganic light-weight powder (B) have a bulk density of 0.1-2.0 g/cm3.

TANAKA YASUNORI (JP)

PCT/JP2012/069104

February 07, 2013

July 27, 2012

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CONSULTANT CO LTD F (JP)
TANAKA YASUNORI (JP)

B32B27/18; E04B1/94

JP2007162318A	2007-06-28
JPH11323148A	1999-11-26
JP2007297856A	2007-11-15
JP2005088559A	2005-04-07
JP2002138596A	2002-05-14
JP2007160690A	2007-06-28
JP2007162319A	2007-06-28

SAEGUSA & PARTNERS (JP)
Patent business corporation 3 Edakuni [Hajime] patent firm (JP)

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