# US 2013/0280451 A1 · Paste-like thermally expandable filler > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0280451 A1 - Document ID: US20130280451A1 - Status: Published application - Kind: A1 - Application number: 13/976,292 - Filed: 2011-10-05 - Published: 2013-10-24 - Earliest claimed: 2010-12-27 - Assignees: Sunstar Engineering Inc. - Inventors: Toshio Kobayashi; Junji Kono; Yutaka Sugiura - Web page: https://patentgrep.com/patent/US20130280451A1 ## CPC - C08L 21/00: Compositions of unspecified rubbers - C08J 9/0023: {containing oxygen} - C08J 9/0066: {Use of inorganic compounding ingredients} - C08J 9/06: by a chemical blowing agent - C08J 9/32: from compositions containing microballoons, e.g. syntactic foams - C08K 5/08: Quinones - B62D 29/002: {a foamable synthetic material or metal being added in situ (shaping of substances in a plastic state by foaming, in general B29C44/00)} - C08J 2201/026: Crosslinking before of after foaming - C08J 2203/18: Binary blends of expanding agents - C08J 2321/00: Characterised by the use of unspecified rubbers - C08J 2400/22: Thermoplastic resins - C08L 2205/03: containing three or more polymers in a blend - C08L 2666/34: Oxygen-containing compounds, including ammonium and metal salts - Y10T 428/1334: Nonself-supporting tubular film or bag [e.g., pouch, envelope, packet, etc.] - C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06) - C08J: WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H (working, e.g. shaping, of plastics B29) - C08K: Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09) - B62D: MOTOR VEHICLES; TRAILERS (steering, or guiding on a desired track, of agricultural machines or implements A01B69/00; wheels, castors, axles, increasing wheel adhesion B60B; vehicle tyres, tyre inflation or tyre changing B60C; connections between vehicles of a train or the like B60D; vehicles for use on rail and road, amphibious or convertible vehicles B60F; suspension arrangements B60G; heating, cooling, ventilating or other air treating devices B60H; windows, windscreens, non-fixed roofs, doors or similar devices, protective coverings for vehicles not in use B60J; propulsion plant arrangements, auxiliary drives, transmissions, controls, instrumentation or dashboards B60K; electric equipment or propulsion of electrically-propelled vehicles B60L; power supply for electrically-propelled vehicles B60M; passenger accommodation not otherwise provided for B60N; adaptations for load transportation or to carry special loads or objects B60P; arrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general B60Q; vehicles, vehicle fittings or vehicle parts not otherwise provided for B60R; servicing, cleaning, repairing, supporting, lifting, or manoeuvring, not otherwise provided for, B60S; brake arrangements, brake control systems or parts thereof B60T; air-cushion vehicles B60V; motor-cycles, accessories therefor B62J, B62K; testing of vehicles G01M) - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract A paste-like thermally foaming filler contains 2 to 20 parts by weight of an uncrosslinked synthetic rubber. 5 to 30 parts by weight of a partially crosslinked rubber, 0.1 to 5 parts by weight of a quinone-based vulcanizing agent, 0.2 to 1 parts by weight of thermally expandable balloons, 1 to 10 parts by weight of a thermoplastic resin, 20 to 50 parts by weight of a plasticizer, 15 to 50 parts by weight of an inorganic filler, and 2 to 15 parts by weight of a chemical foaming agent. The paste-like thermally foaming filler exhibits high foaming capability even at low temperatures. ## Claims ### Claim 1 A paste-like thermally foaming filler, comprising: an uncrosslinked rubber; a quinone-based vulcanizing agent; and a foaming agent. ### Claim 2 (depends on 1) The paste-like thermally foaming filler according to claim 1, further comprising a partially crosslinked rubber. ### Claim 3 (depends on 1) The paste-like thermally foaming filler according to claim 1, further comprising a thermally expandable balloon. ### Claim 4 (depends on 3) The paste-like thermally foaming filler according to claim 3, wherein a foaming temperature of the thermally expandable balloon is 100° C. or lower. ### Claim 5 (depends on 1) The paste-like thermally foaming filler according to claim 1, further comprising a thermoplastic resin. ### Claim 6 (depends on 1) The paste-like thermally foaming filler according to claim 1, further comprising a plasticizer. ### Claim 7 (depends on 1) The paste-like thermally foaming filler according to claim 1, further comprising an inorganic filler. ### Claim 8 A paste-like thermally foaming filler, comprising: 2 to 20 parts by weight of an uncrosslinked rubber; 5 to 30 parts by weight of a partially crosslinked rubber; 0.1 to 5 parts by weight of a quinone-based vulcanizing agent; 0.2 to 1.5 parts by weight of a thermally expandable balloon; 1 to 10 parts by weight of a thermoplastic resin; 20 to 50 parts by weight of a plasticizer; 15 to 50 parts by weight of an inorganic filler; and 2 to 15 parts by weight of a chemical foaming agent. ### Claim 9 (depends on 1) The paste-like thermally foaming filler according to claim 1, wherein a content of the uncrosslinked rubber and/or the partially crosslinked rubber is 8 parts by weight or more based on a total composition weight. ### Claim 10 (depends on 2) The paste-like thermally foaming filler according to claim 2, further comprising a thermally expandable balloon. ### Claim 11 (depends on 2) The paste-like thermally foaming filler according to claim 2, further comprising a thermoplastic resin. ### Claim 12 (depends on 3) The paste-like thermally foaming filler according to claim 3, further comprising a thermoplastic resin. ### Claim 13 (depends on 4) The paste-like thermally foaming filler according to claim 4, further comprising a thermoplastic resin. ### Claim 14 (depends on 2) The paste-like thermally foaming filler according to claim 2, further comprising a plasticizer. ### Claim 15 (depends on 3) The paste-like thermally foaming filler according to claim 3, further comprising a plasticizer. ### Claim 16 (depends on 4) The paste-like thermally foaming filler according to claim 4, further comprising a plasticizer. ### Claim 17 (depends on 5) The paste-like thermally foaming filler according to claim 5, further comprising a plasticizer. ### Claim 18 (depends on 2) The paste-like thermally foaming filler according to claim 2, further comprising an inorganic filler. ### Claim 19 (depends on 3) The paste-like thermally foaming filler according to claim 3, further comprising an inorganic filler. ### Claim 20 (depends on 4) The paste-like thermally foaming filler according to claim 4, further comprising an inorganic filler.