GB565492A - Abrasive articles - Google Patents
Abrasive articlesInfo
- Publication number
- GB565492A GB565492A GB981/43A GB98143A GB565492A GB 565492 A GB565492 A GB 565492A GB 981/43 A GB981/43 A GB 981/43A GB 98143 A GB98143 A GB 98143A GB 565492 A GB565492 A GB 565492A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sulphide
- formaldehyde
- resin
- iron
- phenol
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
- C08L61/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
Abstract
A sulphide of iron is added to the bonding-material, e.g rubber, artificial resin, or a vitrified composition, of an abrasive article such as a grinding-wheel. Either ferrous, ferric, or ferrosoferric sulphide, or the corresponding minerals triolite or pyrites may be used, in the proportion of 5-60 per cent and preferably 10-35 per cent by volume of the bond. The iron sulphide may be used in addition to such agents as cryolite. According to examples, abrasive grains, such as fused alumina or silicon carbide, are wetted with furfural and mixed with "A" stage phenol-formaldehyde resin, a hardening-agent such as hexamethylene tetramine, and iron sulphide, and the mixture is moulded and cured at 175 DEG C.; aniline-formaldehyde may be used in place of phenol-formaldehyde, in which case a mixture of aniline-formaldehyde powder, abrasive and iron sulphide may be pressed in a hot press; a vitrified bonded wheel is impregnated with a suspension of iron sulphide in phenol-formaldehyde resin and heated to set the resin.ALSO:A sulphide of iron is added to the bonding-material, e.g rubber, artificial resin, or a vitrified composition, of an abrasive article such as a grinding-wheel. Either ferrous, ferric, or ferrosoferric sulphide, or the corresponding minerals triolite or pyrites may be used, in the proportion of 5-60 per cent and preferably 10-35 per cent by volume of the bond. The iron sulphide may be used in addition to such agents as cryolite. According to examples, abrasive grains, such as fused alumina or silicon carbide, are wetted with furfural and mixed with "A" stage phenol-formaldehyde resin, a hardening-agent such as hexamethylene tetramine and iron sulphide, and the mixture is moulded and cured at 175 DEG C.; aniline-formaldehyde may be used in place of phenol-formaldehyde, in which case a mixture of abrasive aniline-formaldehyde powder, and iron sulphide may be pressed in a hot press; raw rubber in sheet form is calendered, sprinkled with abrasive iron sulphide, sulphur, and a vulcanization accelerator, and vulcanised; a vitrified bonded wheel is impregnated with a suspension of iron sulphide in phenol-formaldehyde resin and heated to set the resin; a solution of rubber or rubber latex may replace the resin.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US565492XA | 1942-02-04 | 1942-02-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB565492A true GB565492A (en) | 1944-11-14 |
Family
ID=22005129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB981/43A Expired GB565492A (en) | 1942-02-04 | 1943-01-19 | Abrasive articles |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB565492A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2168988A (en) * | 1984-12-28 | 1986-07-02 | Tsuneo Masuda | Grindstone-polymer composite for super colloid mill and manufacturing method thereof |
| CN102744692A (en) * | 2012-06-08 | 2012-10-24 | 镇江市砺河磨具有限公司 | Manufacturing method of steel rail grinding wheel |
| CN110787870A (en) * | 2019-10-22 | 2020-02-14 | 北京食品科学研究院 | Grinding wheel and grinding disc for improving microbial pollution in bean product pulping link |
-
1943
- 1943-01-19 GB GB981/43A patent/GB565492A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2168988A (en) * | 1984-12-28 | 1986-07-02 | Tsuneo Masuda | Grindstone-polymer composite for super colloid mill and manufacturing method thereof |
| CN102744692A (en) * | 2012-06-08 | 2012-10-24 | 镇江市砺河磨具有限公司 | Manufacturing method of steel rail grinding wheel |
| CN102744692B (en) * | 2012-06-08 | 2014-10-08 | 镇江市砺河磨具有限公司 | Manufacturing method of steel rail grinding wheel |
| CN110787870A (en) * | 2019-10-22 | 2020-02-14 | 北京食品科学研究院 | Grinding wheel and grinding disc for improving microbial pollution in bean product pulping link |
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