DE3709234C2 - - Google Patents

Info

Publication number
DE3709234C2
DE3709234C2 DE3709234A DE3709234A DE3709234C2 DE 3709234 C2 DE3709234 C2 DE 3709234C2 DE 3709234 A DE3709234 A DE 3709234A DE 3709234 A DE3709234 A DE 3709234A DE 3709234 C2 DE3709234 C2 DE 3709234C2
Authority
DE
Germany
Prior art keywords
foam
abrasive
nonwoven
micropores
nco
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.)
Expired - Fee Related
Application number
DE3709234A
Other languages
German (de)
English (en)
Other versions
DE3709234A1 (de
Inventor
Max Ddr 1193 Berlin Dd Olschewski
Manfred Ddr 1034 Berlin Dd Barnett
Robert Dr. Ddr 1140 Berlin Dd Becker
Helmut Ddr 1113 Berlin Dd Pavel
Dietmar Ddr 9656 Tannenbergsthal Dd Helbig
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.)
IBB INDUSTRIEBUERSTEN BERLIN GMBH, O-1100 BERLIN,
Original Assignee
VEB INDUSTRIEBUERSTEN BERLIN DDR 1100 BERLIN DD
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 VEB INDUSTRIEBUERSTEN BERLIN DDR 1100 BERLIN DD filed Critical VEB INDUSTRIEBUERSTEN BERLIN DDR 1100 BERLIN DD
Publication of DE3709234A1 publication Critical patent/DE3709234A1/de
Application granted granted Critical
Publication of DE3709234C2 publication Critical patent/DE3709234C2/de
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0085—Use of fibrous compounding ingredients
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/001—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as supporting member
    • B24D3/002—Flexible supporting members, e.g. paper, woven, plastic materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/007—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent between different parts of an abrasive tool
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
    • B24D3/20—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially organic
    • B24D3/28—Resins or natural or synthetic macromolecular compounds
    • B24D3/32—Resins or natural or synthetic macromolecular compounds for porous or cellular structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
    • 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
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/12—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of short lengths, e.g. chopped filaments, staple fibres or bristles
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/16—Fillers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/736—Grinding or polishing equipment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
DE19873709234 1986-04-17 1987-03-20 Verfahren zur herstellung eines schleifschaumkoerperverbundes Granted DE3709234A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD86289311A DD248313A1 (de) 1986-04-17 1986-04-17 Verfahren zur herstellung eines schleifschaumkoerperverbundes

Publications (2)

Publication Number Publication Date
DE3709234A1 DE3709234A1 (de) 1987-10-22
DE3709234C2 true DE3709234C2 (fr) 1990-09-20

Family

ID=5578343

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873709234 Granted DE3709234A1 (de) 1986-04-17 1987-03-20 Verfahren zur herstellung eines schleifschaumkoerperverbundes

Country Status (3)

Country Link
DD (1) DD248313A1 (fr)
DE (1) DE3709234A1 (fr)
GB (1) GB2189802B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1003696A3 (fr) * 1990-03-26 1992-05-26 Solvay Articles a structure cellulaire homogene et leur procede d'obtention.
IT226758Z2 (it) * 1992-07-09 1997-07-01 Norton Utensile abrasivo quale disco striscia e simili per una macchina per la carteggiatura e la levigatura
GB2300372B (en) * 1995-05-03 1999-04-14 Minnesota Mining & Mfg Abrasive articles
US5582625A (en) * 1995-06-01 1996-12-10 Norton Company Curl-resistant coated abrasives
CN106938446A (zh) * 2017-04-14 2017-07-11 龙口东润砂轮有限公司 聚氨酯砂轮
CN113321941A (zh) * 2021-07-06 2021-08-31 刘永忠 一种高效能磨头的发泡方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3108157A1 (de) * 1980-03-04 1982-01-07 Bondina Ltd., Halifax, West Yorkshire Verfahren zur herstellung eines schleifmittel- oder poliermittelprodukts

Also Published As

Publication number Publication date
GB2189802A (en) 1987-11-04
DD248313A1 (de) 1987-08-05
GB8707226D0 (en) 1987-04-29
DE3709234A1 (de) 1987-10-22
GB2189802B (en) 1990-01-31

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: C08L 75/04

D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: IBB INDUSTRIEBUERSTEN BERLIN GMBH, O-1100 BERLIN,

8339 Ceased/non-payment of the annual fee