http://rdf.ncbi.nlm.nih.gov/pubchem/patent/RU-2753115-C1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_6dce2ca0a8ea71d1135a11baf22cfc15 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F16L58-1063 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F16L58-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F16L58-12 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B32B27-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B32B27-32 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F16L58-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B32B27-32 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B32B27-06 |
| filingDate | 2020-11-24^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2021-08-11^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1f0896702563ca3530430defd7478070 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3f46edba81fe5dfb80e88f451a6eef4b http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ee2177315e9ac5bc2335eaed637d30ec http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0c48651a1c6be06bc63b34e3d468a4b5 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_81c0e909037eccf2c620db927eb408b1 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6fa1c15f3b63276cb27048a93b710f31 |
| publicationDate | 2021-08-11^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | RU-2753115-C1 |
| titleOfInvention | Multi-layer insulation coating |
| abstract | FIELD: anti-corrosive insulation coatings. n SUBSTANCE: invention relates to an anticorrosive insulating coating of cold application on steel pipelines during construction and repair in field conditions. The coating contains a sequentially arranged outer impact-resistant layer, an inner additional layer applied to the outer impact-resistant layer, a first inner adhesive layer applied to an additional layer of the outer impact-resistant layer, an inner impact-resistant layer, an adhesive layer additionally applied to the surface of the inner impact-resistant layer, a second adhesive layer applied to another surface of the inner impact-resistant layer, and a primer layer. At the same time, the outer shock-resistant layer contains high-pressure polyethylene, low-pressure polyethylene modified by irradiation with accelerated electrons to a gel fraction content of 40-75%, carbon black and a heat stabilizer. The inner additional layer applied to the outer impact-resistant layer contains high-pressure polyethylene, low-pressure polyethylene, butyl rubber and carbon black. The first inner adhesive layer, applied to an additional layer of the outer impact-resistant layer, is reinforced with a glass mesh, glazed with a composition for the primer layer, contains butyl rubber, high-pressure polyethylene, petroleum polymer resin, insulating bitumen, rubber bitumen, zinc oxide, carbon black, talc. The inner impact-resistant layer contains high-pressure polyethylene, low-pressure polyethylene, butyl rubber, carbon black. The adhesive layer, additionally applied to the surface of the inner impact-resistant layer, contains high-pressure polyethylene, butyl rubber, carbon black. The second adhesive layer is reinforced with a glass mesh, glazed with a composition for the primer layer, contains butyl rubber, high-pressure polyethylene, petroleum polymer resin, insulating bitumen, rubber bitumen, talc, zinc oxide, carbon black. The primer layer of the insulation coating containing butyl rubber, petroleum polymer resin, insulating bitumen, rubber bitumen, talc, zinc oxide, carbon black, additionally contains an epoxy-urethane oligomer, a copolymer of ethylene and butyl acrylate and a low molecular weight copolymer of ethylene with vinyl acetate. The compositions of the layers are given. n EFFECT: invention makes it possible to create a multi-layer cold-applied insulation coating for anticorrosive insulation of steel pipelines in field conditions, which is 1.5 times more resistant to cathodic peeling. n 1 cl |
| priorityDate | 2020-11-24^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
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