http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-1103202-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_48da738b460fdea062ce8b28c62a4b74 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J13-16 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G18-703 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G59-188 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J13-16 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G18-70 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G59-18 |
| filingDate | 1963-08-09^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7a5fa39eb05a9835f8ec2715bb469eae |
| publicationDate | 1968-02-14^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | GB-1103202-A |
| titleOfInvention | Improvements relating to encapsulated materials |
| abstract | Droplets or particles of a first reactive substance which is a hardening reagent for resins, a curing agent for natural or synthetic elastomers, or which is capable of reacting with one or more substances to produce an adhesive or surface coating composition are enclosed in a solid covering by dispersing the droplets or particles in a phase (liquid or gas) containing a substance which reacts with the particulate material at the particle faces to form a solid compound which coats the particle. A specific example relates to the encapsulation of a solution in bis-(tetrahydrofurfuryl) phthalate of boron trifluoride diethyl etherate complex by dispersion in a low-boiling naphtha hydrocarbon solvent to which vinyl cyclohexane diepoxide is added. The capsules are used as an internal curing agent for a bifunctional epoxide resin ("Epikote" (Trade Mark) 828) into which they are mixed-the application of pressure thereto rupturing the capsules and causing hardening of the resin. In a second example, Epikote 828 mixed with a little finely-divided silica is dispersed in the same hydrocarbon solvent to which the BF3 complex of the first example is added. A paste is prepared by mixing the capsules so formed with a solution of the BF3 complex in bis-(tetrahydrofurfuryl) phthalate to produce a composition which is a self-curing adhesive on the application of pressure. A third example relates to the encapsulation of diethylene triamine (plus silica) droplets in the same way using tolylene 2,4-diisocyanate as the reactant. The capsules produced may be used as an internal hardener for " Epikote " 828 as before. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4623686-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4667008-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4833226-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4225460-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0304503-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4595445-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4517141-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/DE-3230757-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/FR-2460157-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4237252-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0300644-A3 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0300644-A2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4252708-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4592957-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-0110630-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4663415-A |
| priorityDate | 1963-08-09^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
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