JPS555923A - Production of rigid urethane block utilizing the waste of rigid foamed urethane - Google Patents

Production of rigid urethane block utilizing the waste of rigid foamed urethane

Info

Publication number
JPS555923A
JPS555923A JP7762278A JP7762278A JPS555923A JP S555923 A JPS555923 A JP S555923A JP 7762278 A JP7762278 A JP 7762278A JP 7762278 A JP7762278 A JP 7762278A JP S555923 A JPS555923 A JP S555923A
Authority
JP
Japan
Prior art keywords
rigid
waste
urethane
foamed urethane
production
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
JP7762278A
Other languages
Japanese (ja)
Inventor
Yoshio Kawasaki
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.)
NIPPON YUUBOARD KOGYO KK
Original Assignee
NIPPON YUUBOARD KOGYO KK
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 NIPPON YUUBOARD KOGYO KK filed Critical NIPPON YUUBOARD KOGYO KK
Priority to JP7762278A priority Critical patent/JPS555923A/en
Publication of JPS555923A publication Critical patent/JPS555923A/en
Pending legal-status Critical Current

Links

Landscapes

  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

PURPOSE: The waste of rigid foamed urethane crushed into ships of relatively small sizes is used as a filler to produce rigid urethane blocks, thus utilizing the waste of rigid foamed urethane substantially with no value.
CONSTITUTION: The waste of rigid foamed urethane crushed into chips in a prescribed amount is charged into a mold vessel and a polyol and isocyanate are also charged and made to react, thus forming a foamed urethane. At this time the waste polyurethane is decomposed chemically to form integrated rigid block.
COPYRIGHT: (C)1980,JPO&Japio
JP7762278A 1978-06-27 1978-06-27 Production of rigid urethane block utilizing the waste of rigid foamed urethane Pending JPS555923A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7762278A JPS555923A (en) 1978-06-27 1978-06-27 Production of rigid urethane block utilizing the waste of rigid foamed urethane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7762278A JPS555923A (en) 1978-06-27 1978-06-27 Production of rigid urethane block utilizing the waste of rigid foamed urethane

Publications (1)

Publication Number Publication Date
JPS555923A true JPS555923A (en) 1980-01-17

Family

ID=13638994

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7762278A Pending JPS555923A (en) 1978-06-27 1978-06-27 Production of rigid urethane block utilizing the waste of rigid foamed urethane

Country Status (1)

Country Link
JP (1) JPS555923A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59157226U (en) * 1983-04-07 1984-10-22 三洋電機株式会社 Recording beam limiting circuit
US4812726A (en) * 1986-01-16 1989-03-14 Mitsubishi Denki Kabushiki Kaisha Servo circuit positioning actuator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59157226U (en) * 1983-04-07 1984-10-22 三洋電機株式会社 Recording beam limiting circuit
US4812726A (en) * 1986-01-16 1989-03-14 Mitsubishi Denki Kabushiki Kaisha Servo circuit positioning actuator

Similar Documents

Publication Publication Date Title
DE2961959D1 (en) Fluid, stable interpolymer/polyol compositions, process for the production thereof and processes for the production of elastomeric polyurethanes and polyurethane foams therefrom
GR77139B (en)
PT66308B (en) Process for the production of soft and extra-supersoft polyurethane foams
JPS555923A (en) Production of rigid urethane block utilizing the waste of rigid foamed urethane
DE2862309D1 (en) Reactive polyol compositions and high resiliency polyurethane foams obtained by using these compositions
JPS57205427A (en) Molding of waste rubber-blended polyurethane product
JPS55158933A (en) Carbonic acid gas absorbing sheet and manufacture thereof
TW344758B (en) Moulded bodies comprising a humus-containing plant substrate consolidated with polyurethane/polyurea, a process for producing them and their use in plant cultivation
JPS5374596A (en) Manufacture of rigid polyurethane foam
JPS5730642A (en) Car bumper
JPS5329398A (en) Preparation of low density polyurethane foam
JPS5757815A (en) Method for accelerating aging of converter slag
JPS5363497A (en) Production of rigid polyurethane foam
PT66487A (en) Process for reducing to a minimum the densification of peripherical areas of continuous blocks in flexible polyurethane foam
JPS55127422A (en) Production of hard urethane foam molded product with skin
JPS57141430A (en) Lead-containing foam and its production
JPS56146735A (en) Manufacture of heat-insulating case
JPS5791245A (en) Manufacture of shock absorbing material
ES375436A1 (en) Method of producing moulded articles
JPS5437198A (en) Preparation of soft mold polyurethane foam
JPS56120856A (en) Method of fitting watertight material in construction member
JPS5217598A (en) Process for producing flame-resisting polyurethane foams
JPS5221098A (en) Improved process for producing polyurethane foam
JPS5743851A (en) Molding die for reactive injection molding
JPS5513751A (en) Production of foam rubber