GB708838A - Improvements in or relating to resin bonded abrasive articles - Google Patents

Improvements in or relating to resin bonded abrasive articles

Info

Publication number
GB708838A
GB708838A GB2002051A GB2002051A GB708838A GB 708838 A GB708838 A GB 708838A GB 2002051 A GB2002051 A GB 2002051A GB 2002051 A GB2002051 A GB 2002051A GB 708838 A GB708838 A GB 708838A
Authority
GB
United Kingdom
Prior art keywords
resin
phenol
pts
resins
aldehyde
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
Application number
GB2002051A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB2002051A priority Critical patent/GB708838A/en
Publication of GB708838A publication Critical patent/GB708838A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B24D3/285—Reaction products obtained from aldehydes or ketones

Abstract

Abrasive articles, e.g. abrasive wheels or stones, are obtained by wetting abrasive particles with a solvent for a phenol-aldehyde or aromatic amine-aldehyde resin, mixing the wetted particles with the aforesaid resins so as to coat same, applying a second coating of a thermoplastic resin, and finally a third coating of the phenol or amine resin, moulding or otherwise consolidating the coated grains to form the required article and heating it to harden the phenol or amine resin and cause the thermoplastic resin to be distributed between the grains. Thermoplastic resins specified are vinyl polymers or copolymers, synthetic rubbers, polyvinylals, polystyrenes and may be be applied in the form of latices. Thermohardenable resins specified are phenol-, urea-, melamine- and aniline-formaldehyde resins, also amine modified phenol-aldehyde resins. Examples are given in the Specification of the production of cut-off wheels for grinding steel billets, coping wheels for cutting stone. The mix may comprise 38 pts. fused alumina 12 grit and 38 pts. 14 grit, 5 pts. liquid thermosetting resin, 6.1 pts. powdered thermosetting resin, 6.1 pts. cryolite, 3.2 pts VYNH resin (vinyl chloride-vinyl acetate copolymer), 1.6 pts. thermosetting resin for third coating in admixture with 1.6 pts. cryolite.ALSO:Abrasive articles, e.g. abrasive wheels or stones are obtained by wetting abrasive particles with a solvent for a phenol-aldehyde or aromatic amine-aldehyde resin, mixing the wetted particles with the aforesaid resins so as to coat same, applying a second coating of a thermoplastic resin, and finally a third coating of the phenol or amine resin, moulding or otherwise consolidating the coated grains and finally forming the required article and heating it to harden the phenol or amine resin and cause the thermoplastic resin to be distributed between the grains. Thermoplastic resins specified are vinyl polymers or copolymers, synthetic rubbers, and polystyrenes and may be applied in the form of latices. Thermohardenable resins specified are phenol aldehyde, urea, melamine, and aniline-formaldehyde, also amine modified phenol-aldehyde resins.
GB2002051A 1951-08-24 1951-08-24 Improvements in or relating to resin bonded abrasive articles Expired GB708838A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2002051A GB708838A (en) 1951-08-24 1951-08-24 Improvements in or relating to resin bonded abrasive articles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2002051A GB708838A (en) 1951-08-24 1951-08-24 Improvements in or relating to resin bonded abrasive articles

Publications (1)

Publication Number Publication Date
GB708838A true GB708838A (en) 1954-05-12

Family

ID=10139021

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2002051A Expired GB708838A (en) 1951-08-24 1951-08-24 Improvements in or relating to resin bonded abrasive articles

Country Status (1)

Country Link
GB (1) GB708838A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2814554A (en) * 1954-12-31 1957-11-26 Norton Co Grinding wheels
JPS5043594A (en) * 1973-08-21 1975-04-19

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2814554A (en) * 1954-12-31 1957-11-26 Norton Co Grinding wheels
JPS5043594A (en) * 1973-08-21 1975-04-19
JPS5039870B2 (en) * 1973-08-21 1975-12-19

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