PURPOSE: A multi-purpose epoxy resin primer paint composition for construction floor materials and a construction method thereof are provided to enable coating without removing parts which are fully or partially coated with thermoplastic resin paint and to prevent degradation of adhesion strength. CONSTITUTION: A multi-purpose epoxy resin primer paint composition for construction floor materials comprises base composition and hardener composition. The base composition comprises 5-10 weight% of s...

FIELD: oil and gas industry. ^ SUBSTANCE: insulation method of water influx to production oil wells involves pumping of gel-forming compound prepared by introducing the carbamide to polymer-colloidal complex obtained by mixing of water colloidal solution of aluminium pentahydroxochloride with 0.20.3 wt % of water solution of polymer

PURPOSE: An asphalt crack maintenance coating material with excellent elastic restoring force and an asphalt crack maintenance construction method are provided to ensure excellent elastic restoring force through the reaction of an asphalt component, rubber and polymer resin and to prolong the lifetime of a road with excellent abrasion resistance, water resistance, and adhesive property at low temperature. CONSTITUTION: An asphalt crack maintenance coating material comprises: 50~60 parts by weigh...

PROBLEM TO BE SOLVED: To provide a coating composition for a roofing material which can form a vibration suppressing and rust preventive coating film having excellent rust prevention effect and rain sound reduction effect and having good coating property and adhesion, and which is excellent in storage stability, and to provide a sound proofing and rust prevention method of a roofing material, and a roofing material.

Methods of producing useful products, such as hydrocarbons and other molecules that are useful as fuels, from carbonaceous materials, are disclosed. Such methods include obtaining a carbonaceous material, such as coal, from a deposit and treating the carbonaceous material with one or more chemicals, including acetic acid, salts of acetic acid, esters of acetic acid, hydroxides and peroxides, alone or in combination, to solubilize the material in preparation for further processing, such as biocon...