| 摘要 |
FIELD: oil-and-gas industry. ^ SUBSTANCE: invention related to manufacturing of gluing compositions, used for sticky polyvinylchloride (PVC) tapes, assigned for oil-gas pipelines cover as an insulating protection cover. Described tape glue, containing perchlorvinyl resin, plasticisers- diactil phthalate and chlorinated paraffin or chlorated -olefins, received from ethylene oligomerisation waists, colophony, polyethyleneamines and chalk or zeolite fractions or granular limestone as a filling agent. ^ EFFECT: increase of sticky polyvinylchloride tapes adhesion to steal, cost saving. ^ 2 cl, 1 tbl, 17 ex |
