GB1240289A - Improvements in or relating to abrasive webs - Google Patents
Improvements in or relating to abrasive websInfo
- Publication number
- GB1240289A GB1240289A GB5054768A GB5054768A GB1240289A GB 1240289 A GB1240289 A GB 1240289A GB 5054768 A GB5054768 A GB 5054768A GB 5054768 A GB5054768 A GB 5054768A GB 1240289 A GB1240289 A GB 1240289A
- Authority
- GB
- United Kingdom
- Prior art keywords
- parts
- bisphenol
- copolymer
- water
- acid
- 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
Landscapes
- Polishing Bodies And Polishing Tools (AREA)
- Laminated Bodies (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
1,240,289. Resin compositions; polymer compositions; starch compositions. REICHHOLDALBERT CHEMIE A.G. 24 Oct., 1968 [25 Oct., 1967 (2); 31 May, 1968], No. 50547/68. Headings C3B, C3P and C3U. [Also in Division C4] A resin composition for application as an intermediate elastic sealing layer in a coated abrasive web comprises a cured reaction product of an epoxide resin based on bisphenol A, an epoxide resin based on bisphenol A and internally plasticized with castor oil and a carbamic acid alkyl ester. The proportions of the ingredients may be in the ratio 10 : 90 : 0.5 to 90 : 10 : 80. Liquid resins can be used solventfree. In Example 1, 170 parts of an epoxide resin based on bisphenol A (medium viscosity, epoxide equivalent 185-195, chlorine content 0À3% and viscosity 10,000-15,000 cP at 25‹ C.), 30 parts of a bisphenol A epoxide resin internally plasticized by reaction with castor oil (epoxide equivalent 450-550, chlorine content 0.2% and viscosity 40,000-50,000 cP at 25‹ C.), three parts of carbamic acid ethyl ester and 37.5 parts of metaphenylene diamine were mixed before application to a support. Core sizes for application to the webs may consist of 30-90 parts by weight of corn starch, rice starch or potato starch which has been digested by acid degradation, 3-20 parts by weight of a fatty alcohol polyglycol ether, 10 50 parts of an aqueous acrylate copolymer dispersion, the copolymer being derived from 35% ethylacrylate, 10% methacrylic acid, 15% acrylamide and 40% methylmethacrylate and 957-840 parts of water. Another preferred core size consists of 1-25 parts by weight of water-soluble copolymer of 30% acrylic acid and 70% butyl acrylate, 315 parts of a coconut fatty alcohol polyglycol ether having 5-12 ethylene oxide molecules per fatty acid alcohol molecule, 10-80 parts of an aqueous acrylate copolymer dispersion, the copolymer being derived from 45% ethylacrylate, 35% butylacrylate, 10% vinylacetate and 10% of N-methanol acrylamide and 986-870 parts of water. Finishing agents for the coated abrasive products may comprise 10-100 parts of animal hide glue, 80-30 parts of an aqueous acrylate copolymer dispersion, the copolymer containing 45-20% of ethylacrylate, 5-20% methacrylic acid, 0-10% of methylmethacrylate, 5-25% acrylonitrile, 0-45% butyl acrylate and 5- 15% N-methylolacrylamide, 5-10 parts of a coconut fatty alcohol polyglycol ether, 1-35 parts of chlorinated hydrocarbons, such as methylene chloride, and 78-864 parts of water. Reference has been directed by the Comptroller to Specification 1,122,211.
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DER0036215 | 1967-10-25 | ||
DER0047218 | 1967-10-25 | ||
DER0047216 | 1967-10-25 | ||
DER0047210 | 1967-10-25 | ||
DER0036217 | 1967-10-25 | ||
CH841168A CH511679A (en) | 1968-05-31 | 1968-05-31 | Abrasive cloth for dry grinding or for wet grinding and process for the production thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1240289A true GB1240289A (en) | 1971-07-21 |
Family
ID=27543814
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5054768A Expired GB1240289A (en) | 1967-10-25 | 1968-10-24 | Improvements in or relating to abrasive webs |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS49319B1 (en) |
GB (1) | GB1240289A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5316812A (en) * | 1991-12-20 | 1994-05-31 | Minnesota Mining And Manufacturing Company | Coated abrasive backing |
US5573619A (en) * | 1991-12-20 | 1996-11-12 | Minnesota Mining And Manufacturing Company | Method of making a coated abrasive belt with an endless, seamless backing |
US5578096A (en) * | 1995-08-10 | 1996-11-26 | Minnesota Mining And Manufacturing Company | Method for making a spliceless coated abrasive belt and the product thereof |
US5584897A (en) * | 1994-02-22 | 1996-12-17 | Minnesota Mining And Manufacturing Company | Method for making an endless coated abrasive article |
US5681612A (en) * | 1993-06-17 | 1997-10-28 | Minnesota Mining And Manufacturing Company | Coated abrasives and methods of preparation |
US6406576B1 (en) | 1991-12-20 | 2002-06-18 | 3M Innovative Properties Company | Method of making coated abrasive belt with an endless, seamless backing |
US6406577B1 (en) | 1991-12-20 | 2002-06-18 | 3M Innovative Properties Company | Method of making abrasive belt with an endless, seamless backing |
-
1968
- 1968-09-30 JP JP7025268A patent/JPS49319B1/ja active Pending
- 1968-10-24 GB GB5054768A patent/GB1240289A/en not_active Expired
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5849646A (en) * | 1991-12-20 | 1998-12-15 | Minnesota Mining & Manufacturing Company | Coated abrasive backing |
US5609706A (en) * | 1991-12-20 | 1997-03-11 | Minnesota Mining And Manufacturing Company | Method of preparation of a coated abrasive belt with an endless, seamless backing |
US5573619A (en) * | 1991-12-20 | 1996-11-12 | Minnesota Mining And Manufacturing Company | Method of making a coated abrasive belt with an endless, seamless backing |
US6406577B1 (en) | 1991-12-20 | 2002-06-18 | 3M Innovative Properties Company | Method of making abrasive belt with an endless, seamless backing |
US5580634A (en) * | 1991-12-20 | 1996-12-03 | Minnesota Mining And Manufacturing Company | Coated abrasive backing |
US6406576B1 (en) | 1991-12-20 | 2002-06-18 | 3M Innovative Properties Company | Method of making coated abrasive belt with an endless, seamless backing |
US5417726A (en) * | 1991-12-20 | 1995-05-23 | Minnesota Mining And Manufacturing Company | Coated abrasive backing |
US6066188A (en) | 1991-12-20 | 2000-05-23 | Minnesota Mining And Manufacturing Company | Coated abrasive belt with an endless seamless backing and method of preparation |
US5316812A (en) * | 1991-12-20 | 1994-05-31 | Minnesota Mining And Manufacturing Company | Coated abrasive backing |
US5924917A (en) | 1993-06-17 | 1999-07-20 | Minnesota Mining And Manufacturing Company | Coated abrasives and methods of preparation |
US5681612A (en) * | 1993-06-17 | 1997-10-28 | Minnesota Mining And Manufacturing Company | Coated abrasives and methods of preparation |
US5584897A (en) * | 1994-02-22 | 1996-12-17 | Minnesota Mining And Manufacturing Company | Method for making an endless coated abrasive article |
US5830248A (en) | 1995-08-10 | 1998-11-03 | Minnesota Mining & Manufacturing Company | Method for making a spliceless coated abrasive belt |
US5578096A (en) * | 1995-08-10 | 1996-11-26 | Minnesota Mining And Manufacturing Company | Method for making a spliceless coated abrasive belt and the product thereof |
Also Published As
Publication number | Publication date |
---|---|
JPS49319B1 (en) | 1974-01-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |