公开(公告)号：JP2548323B2

公开(公告)日：1996-10-30

申请号：JP22273888

申请日：1988-09-06

Applicant: MATSUSHITA REFRIGERATION

Inventor： NAKAMOTO HIDEO ,  KATAOKA JINKO ,  UEKADO KAZUTO

IPC: F16L59/06 ,  C08G18/64 ,  C08J9/14 ,  F25D23/06

公开(公告)号：JPH0873555A

公开(公告)日：1996-03-19

申请号：JP21367394

申请日：1994-09-07

Applicant: MATSUSHITA REFRIGERATION

Inventor： AMAYOSHI TOMONAO ,  NAKAMOTO HIDEO ,  UEKADO KAZUTO ,  TSUDA YOSHIYUKI

IPC: F25D23/06 ,  C08G18/00 ,  C08G18/08 ,  C08G18/54 ,  C08J9/14

Abstract: PURPOSE: To obtain a heat-insulation material which is not problematic in e.g. an increase in a foam-free density and has good heat-insulation performance even when the foaming is performed by adding a carbon dioxide absorbent having a high affinity for water to the starting materials and using a hydrocarbon such as cyclopentane as the blowing agent. CONSTITUTION: This material is prepared by mixing a polyol component containing at least 20% benzylic ether type liquid phenolic resin composition having a hydroxyl value of 350-600mgKOH/g with an organic polyisocyanate, a foam stabilizer, a metallic catalyst, a carbon dioxide absorbent and a blowing agent at least partially consisting of a hydrocarbon such as pentane or cyclopentane as a blowing agent component and expanding the resulting mixture.

公开(公告)号：JPH07309925A

公开(公告)日：1995-11-28

申请号：JP10372294

申请日：1994-05-18

Applicant: MATSUSHITA REFRIGERATION

Inventor： TSUDA YOSHIYUKI ,  UEKADO KAZUTO ,  NAKAMOTO HIDEO ,  AMAYOSHI TOMONAO

IPC: F25D23/08 ,  C08G18/00 ,  C08G18/08 ,  C08G18/48 ,  C08J9/02 ,  C08J9/14

Abstract: PURPOSE:To obtain a thermal insulation foam which has a fine and homogeneous cell structure and a low thermal conductivity by mixing a specific polyether polyol, an org. polyisocyanate, a foam stabilizer, a catalyst, and a specific blowing agent under stirring and allowing the mixture to foam. CONSTITUTION:A thermal insulation foam is obtd. by mixing and stirring an org. polyisocyanate (e.g. a crude MDI with an amine equivalent of 135), a polyol component contg. at least 5-30% polyether polyol having a hydroxyl value of 500-1,000mgKOH/g and formed by the addition polymn. of ethylene oxide or propylene oxide using a diol or a triol as the initiator (the rest of the polyol component being e. g. an arom.-amine-initiated polyether polyol having a hydroxyl value of 460mgKOH/g), a foam stabilizer (e.g. a silicone surfactant), a catalyst (e.g. Kaolizer No1), and a blowing agent at least contg. 1, 1, 1, 2, 3, 3- hexafluoropropane and then foaming and filling the mixture with a high-pressure foaming machine.

公开(公告)号：JPH0798172A

公开(公告)日：1995-04-11

申请号：JP24243693

申请日：1993-09-29

Applicant: MATSUSHITA REFRIGERATION

Inventor： TSUDA YOSHIYUKI ,  UEKADO KAZUTO ,  NAKAMOTO HIDEO ,  AMAYOSHI TOMONAO

IPC: F25D23/06

Abstract: PURPOSE:To eliminate a dangerous state of getting fire and provide a safe thermal insulating box by a method wherein this box is comprised of an outer box, a special hard urethane foam, an inner box formed with resin provided with a metallic thin film in contact with the hard urethane foam. CONSTITUTION:Since an inner box 2 is so constructed that a surface in contact with hard urethane foam 4 having hydrocarbon such as pentan, cyclopentan or the like as a foam agent, the hard urethane foam 4 has a problem in particular in case of combustion of a themal insulating box 1 is covered with an outer box 3 made of metallic plate acting an noncombustible material and the metallic thin film 5 of non-ignitabel material. Accordingly, in case of of fire, when the inner box 2 is ignited, it is covered by the non-ignitable material or hard-to- ignite material, so that fire is not rapidly expanded at the hard urethane foam 4. With such an arrangement as above, a dangerous getting of fire during fire is reduced and a safe thermal insulating box 1 can be attained.

公开(公告)号：JPH0791818A

公开(公告)日：1995-04-07

申请号：JP23450493

申请日：1993-09-21

Applicant: MATSUSHITA REFRIGERATION

Inventor： NAKAMOTO HIDEO ,  UEKADO KAZUTO ,  TSUDA YOSHIYUKI ,  AMAYOSHI TOMONAO

IPC: F25D23/08 ,  C08G18/10 ,  C08G18/48 ,  C08G18/77 ,  C08G101/00 ,  C08J9/14

Abstract: PURPOSE:To provide equal combustion speed to a foamed heat insulating material using conventional harogenized hydrocarbon as a foaming agent and permit the securing of non-corrosive property against a metallic pipe arranged in a structural body even when a hydrocarbon, having flamability, is employed as the foaming agent of the foamed heat insulating material. CONSTITUTION:A space in a heat insulating structure, in which a metallic pipe 5 is arranged, is filled with a foamed heat insulating material 4 produced by a method wherein organic polyisocyanate, prepolymerized by non-harogenized organic phosphor compound, having the molecular weight of 400 or less and containing active hydrogen, peviously is mixed with polyol, foam stabilizer, catalyst and a foaming agent having at least a constituent of hydrocarbon, then, the mixture is foamed.

公开(公告)号：JPH0791817A

公开(公告)日：1995-04-07

申请号：JP23450593

申请日：1993-09-21

Applicant: MATSUSHITA REFRIGERATION

Inventor： TSUDA YOSHIYUKI ,  UEKADO KAZUTO ,  NAKAMOTO HIDEO ,  AMAYOSHI TOMONAO

IPC: F25D23/06 ,  C08G18/00 ,  C08G101/00 ,  C08J9/14

Abstract: PURPOSE:To eliminate the danger of explosion and/or fire and permit the production of the title box body safely by a method wherein the heat insulation box, utilized for a refrigerator and the like, is constituted of an outer casing, hard urethane foam utilizing hydrocarbon as a foaming agent, and an inner casing, made by forming an antistatic ABS resin composition. CONSTITUTION:A heat insulation box 1 is constituted of an inner casing 2, formed of an antistatic ABS resin composition, an outer casing 3, formed of steel sheets and covering the inner casing 2, and foamed heat insulating material 4, consisting of hard urethane foam and filled into a space between the inner casing 2 and the outer casing 3. Hydrocarbon or pentane or cyclopentane is used for the foaming agent of the foamed heat insulating material 4. According to this method, a problem that the inner casing 2 is charged with static electricity during foaming the hard urethane foam is eliminated while the fear of ignition and/or explosion of the hard urethane foam can be eliminated even when flamable hydrocarbon is employed as the foaming agent. Further, a foaming agent, taking place of chlorofluorocarbon having the problem of destructing the ozone layer of the globe, is permitted to be used safely.

公开(公告)号：JPH0712292A

公开(公告)日：1995-01-17

申请号：JP15193393

申请日：1993-06-23

Applicant: MATSUSHITA REFRIGERATION

Inventor： TANIMOTO YASUAKI ,  UEKADO KAZUTO ,  MIYAJI NORIYUKI

IPC: B29C49/00 ,  C08L101/00 ,  F16L59/06

Abstract: PURPOSE:To prevent cost-up and barrier deterioration by forming a vessel consisting in a hollow molding from a resin which is prepared by blending with polymer-alloy resin. CONSTITUTION:A vessel 2 as a hollow molding is molded from a blend resin of a polymer alloy resin, consisting of ethylene-vinyl alcohol copolymer resin and a high density polyethylene resin, and a high density polyethylene resin. After molding, it is provided with an outermost layer 4 having resistance against chemicals, a resin layer 5 excellent in the molding easiness such as polypropylene resin, a resin layer 7 as intermediate layer 6 consisting for example of ethylene vinylalcohol resin having gas barrier excellency, and a resin layer 9 as innermost layer 8 consisting for example of polypropylene resin excellent in the resistance against chemicals and the molding easiness. The vessel 2 is filled with a core material from a pouring port 10, followed by decompression of the inside, and the port 10 is sealed with a heat seal. This enables application of a large-sized vacuum insulating material pack.

公开(公告)号：JPH0693129A

公开(公告)日：1994-04-05

申请号：JP1743391

申请日：1991-02-08

Applicant: MATSUSHITA REFRIGERATION

Inventor： AMAYOSHI TOMONAO ,  UEKADO KAZUTO ,  NAKAMOTO HIDEO ,  TANIMOTO YASUAKI

IPC: C08G18/54 ,  C08G18/40 ,  C08G101/00 ,  C08J9/14 ,  F25D23/06

Abstract: PURPOSE:To obtain a phenol-urethane foam which is used as a thermal insulation material for a refrigerator, a freezer, etc., is free from pollution due to chlorofluorocarbons, and is excellent in thermal insulation properties and productivity. CONSTITUTION:A thermal insulation foam is produced by mixing a liq. benzylic- ether-based phenol resin compsn. contg. 5-15% arom.-amine-based polyether and 20-40% nonamine-based polyether, a catalyst, a foam stabilizer, an org. isocyanate, and 1,1-dichloro-2,2,2-trifluoroethane and foaming the mixture. Thus, the foam excellent in strength and thermal insulation properties is produced at a high productivity without causing pollution due to chlorofluorocarbons.

公开(公告)号：JPH0611094A

公开(公告)日：1994-01-21

申请号：JP16570892

申请日：1992-06-24

Applicant: MATSUSHITA REFRIGERATION

Inventor： TANIMOTO YASUAKI ,  UEKADO KAZUTO

IPC: F16L59/02 ,  F16L59/06

Abstract: PURPOSE:To produce a vacuum heat insulating material pack industrially at low cost and obtain stable performance by charging a core member in a vessel, heat-sealing a peripheral part by means of a cover member while reducing pressure inside thereof, and forming non-deposited layers on the opposing side lines of the vessel. CONSTITUTION:A vacuum heat insulating material pack 1 is composed or a core member 2 made of an open cell hard urethane foam or the like, a vessel 6 which is prepared by vacuum-molding a plastic laminated film 5 having deposited layers 3 and non-deposited layers 4, and a cover member 8 made of a plastic-metal film laminated film 7. Since the deposited layer 3 of excellent barrier performance is provided on the vessel 6 and an accupying ratio of the non-deposited layer 4 in respect to the total surface area is small, adibator performance is hardly deteriorated, which otherwise may caused by deterioration of circularity due to temporal change. The non-deposited layer 4 is formed on a peripheral part of the vessel 6, so that it is possible to prevent heat leakage which may caused by the deposited layer 3, and to obtain stable performance. Since the vessel form is easily prepared, the pack can be produced ' industrially at low cost.

公开(公告)号：JPH05209700A

公开(公告)日：1993-08-20

申请号：JP1598092

申请日：1992-01-31

Applicant: MATSUSHITA REFRIGERATION

Inventor： TANIMOTO YASUAKI ,  UEKADO KAZUTO

IPC: F16L59/06

Abstract: PURPOSE:To provide a vacuum heat insulating material pack having stable performance and capable of being used for the heat insulating material of a refrigerator or the like. CONSTITUTION:A vacuum heat insulating material pack is constituted of an adsorbent 2, a molded material 5 made of a plastic laminate film 4 having a recess 3 to store the adsorbent 2, a barrier material 7 made of a plastic-metal foil laminate film 6, a core material 8 having a continuous foam structure, and a cover material 10 made of a plastic laminate film 9.