• 专利标题:   Radiation radon-absorbing radiation-resistant coating used for radon-enriched space, comprises graphene-polyacrylic acid prepared by urethanization of modified graphene and polyacrylic acid, matrix resin, deionized water and pigment.
  • 专利号:   CN107353720-A
  • 发明人:   ZHANG Q, ZHU W, ZHANG S, HAO L
  • 专利权人:   UNIV SOOCHOW
  • 国际专利分类:   C09D125/14, C09D005/14, C09D007/12
  • 专利详细信息:   CN107353720-A 17 Nov 2017 C09D-125/14 201803 Pages: 13 Chinese
  • 申请详细信息:   CN107353720-A CN10670861 08 Aug 2017
  • 优先权号:   CN10670861

▎ 摘  要

NOVELTY - A radiation radon-absorbing radiation-resistant coating comprises 5-50 parts mass graphene-polyacrylic acid, 90-120 parts mass matrix resin, 330-370 parts mass deionized water and 450-550 parts mass pigment. The graphene-polyacrylic acid is prepared by urethanization of modified graphene (I) and polyacrylic acid. USE - Radiation radon-absorbing radiation-resistant coating is used for radon-enriched space (claimed). ADVANTAGE - The radiation radon-absorbing radiation-resistant coating has excellent radon adsorption characteristics in air. The radiation radon-absorbing radiation-resistant coating improves living environment, and reduces harm of radon to human health. DETAILED DESCRIPTION - A radiation radon-absorbing radiation-resistant coating comprises 5-50 parts mass graphene-polyacrylic acid, 90-120 parts mass matrix resin, 330-370 parts mass deionized water and 450-550 parts mass pigment. The graphene-polyacrylic acid is prepared by urethanization of modified graphene of formula (I) and polyacrylic acid. INDEPENDENT CLAIMS are included for the following: (1) preparation of radiation radon-absorbing radiation-resistant coating, which involves preparing modified graphene by dissolving graphene in N,N-dimethylformamide, adding hexamethylene diisocyanate, reacting mixture with graphene and centrifugally washing mixture to remove unreacted hexamethylene diisocyanate, preparing graphene-polyacrylic acid by dissolving modified graphene in N,N-dimethylformamide, adding polyacrylic acid, stirring mixture and reacting graphene and polyacrylic acid, and preparing radiation radon-absorbing radiation-resistant coating by mixing graphene-polyacrylic acid, matrix resin, pigment filler, deionized water and optional additive; and (2) application of radiation radon-absorbing radiation-resistant coating used for radon-enriched space.