http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-109929465-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G59-50 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G59-62 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09D7-65 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09D7-63 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09G1-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09D163-00 |
| filingDate | 2019-03-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2021-02-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2021-02-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-109929465-B |
| titleOfInvention | Mechanical part protective wax and preparation method thereof |
| abstract | The invention discloses a mechanical part protective wax and a preparation method thereof, wherein the modified curing agent is prepared by the following process: introducing aniline, formaldehyde and 25% concentrated hydrochloric acid into a stirring tank, reacting for 3 hours under the condition of heating to 55 ℃, neutralizing with a sodium carbonate solution, introducing ammonia water into the stirring tank, carrying out fractional precipitation, filtering and impurity removal, then guiding a mixed solution into an absorption tower, introducing 30% dilute sulfuric acid into the absorption tower, introducing phosphine gas into the absorption tower, circularly absorbing for 2 hours under the pressure of 1.5MPa and the temperature of 65 ℃, recrystallizing and purifying with deionized water, and filtering and cooling to obtain a modified curing agent; the invention first preheats the solvent evenly and then blends with other raw materials to ensure that all systems are in a constant temperature premixing state, and then blends in batches in sequence to generate more violent molecular motion so as to obtain the protective wax with more excellent consistency on the microscopic surface. |
| priorityDate | 2019-03-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 40.