JPS5745026A - Reclaiming method for polyurethane resin waste - Google Patents

Reclaiming method for polyurethane resin waste

Info

Publication number
JPS5745026A
JPS5745026A JP12078580A JP12078580A JPS5745026A JP S5745026 A JPS5745026 A JP S5745026A JP 12078580 A JP12078580 A JP 12078580A JP 12078580 A JP12078580 A JP 12078580A JP S5745026 A JPS5745026 A JP S5745026A
Authority
JP
Japan
Prior art keywords
polyurethane resin
waste
molded
pulverulent
extrusion molding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP12078580A
Other languages
Japanese (ja)
Inventor
Takahiko Murase
Katsuhisa Hayakawa
Hideki Yasuki
Takaki Ishii
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Tsusho Corp
Toyota Motor Corp
Original Assignee
Toyota Tsusho Corp
Toyota Motor Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toyota Tsusho Corp, Toyota Motor Corp filed Critical Toyota Tsusho Corp
Priority to JP12078580A priority Critical patent/JPS5745026A/en
Publication of JPS5745026A publication Critical patent/JPS5745026A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/04—Disintegrating plastics, e.g. by milling
    • B29B17/0404—Disintegrating plastics, e.g. by milling to powder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/0026—Recovery of plastics or other constituents of waste material containing plastics by agglomeration or compacting
    • B29B17/0042—Recovery of plastics or other constituents of waste material containing plastics by agglomeration or compacting for shaping parts, e.g. multilayered parts with at least one layer containing regenerated plastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)

Abstract

PURPOSE:To enable polyurethane resin waste to be injection-molded or extrusion- molded, by a method wherein thermosetting polyurethane resin waste is crushed, and thus obtained pulverulent and granular bodies of particle diameter less than 1mm. and thermoplastic polyurethane resin are kneaded together. CONSTITUTION:Urethane waste is crushed into pulverulent whose size is 0.001- 1mm., preferably less than 1mm., in grain size, and to thus obtained pulverulent and granular bodies, compatible thermoplastic polyurethane resin and, if desired, another addition agent are added and kneaded together. Then, the kneaded substance is supplied to a hopper for extrusion molding to perform extrusion molding in a given manner by employing an extrusion molding machine for molding thermoplastic resin. On the other hand, in the case where said kneaded substance is injection-molded, for example, the temperature in the cylinder is to be 160-200 deg.C, and the residence time is to be within 10min. Thus, through the utilization of polyurethane resin waste, a reclaimed product is obtained having improved surface condition and physical properties and at the same time, productivity is improved remarkably.
JP12078580A 1980-09-01 1980-09-01 Reclaiming method for polyurethane resin waste Pending JPS5745026A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12078580A JPS5745026A (en) 1980-09-01 1980-09-01 Reclaiming method for polyurethane resin waste

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12078580A JPS5745026A (en) 1980-09-01 1980-09-01 Reclaiming method for polyurethane resin waste

Publications (1)

Publication Number Publication Date
JPS5745026A true JPS5745026A (en) 1982-03-13

Family

ID=14794931

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12078580A Pending JPS5745026A (en) 1980-09-01 1980-09-01 Reclaiming method for polyurethane resin waste

Country Status (1)

Country Link
JP (1) JPS5745026A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0749818A3 (en) * 1995-06-19 1997-12-03 Ein Engineering Co., Ltd. Reprocessed thermoset resin, method for reprocessing thermoset resin foamed material and method for molding the reprocessed resin

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0749818A3 (en) * 1995-06-19 1997-12-03 Ein Engineering Co., Ltd. Reprocessed thermoset resin, method for reprocessing thermoset resin foamed material and method for molding the reprocessed resin
US5801205A (en) * 1995-06-19 1998-09-01 Ein Engineering Co., Ltd. Reprocessed resin formed of thermoset resin formed material, method for reprocessing thermoset resin foamed material and method for molding molded article formed of the reprocessed resin
CN1116973C (en) * 1995-06-19 2003-08-06 艾因工程技术股份有限公司 Reprocessed resin formed of thermoset resin foamed material, method for reprocessing thermoset resin foamed material and method for molding molded article formed of reprocessed resin
KR100395226B1 (en) * 1995-06-19 2003-11-03 아인엔지니어링 가부시끼가이샤 Reprocessed resin formed of thermoset resin foamed material, method for reprocessing thermoset resin foamed material and method for molding molded article formed of the reprocessed resin

Similar Documents

Publication Publication Date Title
US5253994A (en) System for molding a synthetic-resin using plastic scrap
AU1693497A (en) Advanced engineering resin and wood fiber composite
KR970001430A (en) Regeneration resin composed of thermosetting foam, thermosetting resin foam regeneration method, and molding method of the molded article composed of the regeneration resin
MX9701133A (en) Biodegradable material comprising regenerative raw material and method of producing the same.
GB2328396A (en) Improved rotational moulding process
CA1291313C (en) Use of a fraction of hardened particles of elastomer material as admixture to elastomers before they are hardened for the production of non-smooth surfaces
JPS5745026A (en) Reclaiming method for polyurethane resin waste
GB1327653A (en) Process for manufacturing abrasive bodies bonded with plastics material or rubber
JPS5745027A (en) Reclaiming method for polyurethane resin waste
GB2019853A (en) Method of producing thermoplastics moulding compounds using scrap materials
JPS5756218A (en) Manufacture of polyurethane resin molding
Warren et al. Processors make a go of mixed-waste recycling
ATE118185T1 (en) METHOD DEVICE FOR RECYCLING WASTE OR WASTE ITEMS MADE OF PLASTIC, IN PARTICULAR POLYURETHANE OR POLYUREA.
JPS5340085A (en) Apparatus for crushing reinforced plastic scraps and process for producing reinforced plastics
JPS6336923B2 (en)
JPS5656819A (en) Method for coloring amino thermosetting resin material
EP0616878A1 (en) A process to manufacture an ecological and recyclable material for constructing various moulded objects and the material thus obtained
JPS5684926A (en) Vessel consisting of grain powder filled thermoplastic resin and manufacture thereof
Schaper et al. A Process for Recycling Waste or Old Plastic Articles, Especially of Crosslinked Plastics
JPS56101840A (en) Manufacture of rubber product
MY114122A (en) Process for the manufacture of a polysaccharide- containing product as well as polysaccharide compositions.
FR2201965A1 (en) Plastic articles with rough surface - moulding mixture of cured therm-setting resin particles, and uncured thermosetting or thermoplastic resin
KR930002267A (en) Construction material manufacturing method using waste and its device
Michaeli et al. Material recycling of plastics waste
Schalles Reprocessing of Plastics Scrap