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  • 专利标题:   Building insulation gypsum powder with sound-absorbing noise-reducing function, used for processing e.g. building block, contains natural gypsum, phosphogypsum, calcined alunite, hydroxyethyl cellulose, graphene and fluff pulp.
  • 专利号:   CN105967617-A
  • 发明人:   ZHANG S, ZHANG X, HU X
  • 专利权人:   BENGBU EAST CHINA GYPSUM CO LTD
  • 国际专利分类:   C04B014/02, C04B014/30, C04B014/38, C04B018/20, C04B018/24, C04B022/04, C04B022/08, C04B024/08, C04B024/38, C04B028/14
  • 专利详细信息:   CN105967617-A 28 Sep 2016 C04B-028/14 201677 Pages: 4 Chinese
  • 申请详细信息:   CN105967617-A CN10184237 29 Mar 2016
  • 优先权号:   CN10184237

▎ 摘　　要

NOVELTY - A building insulation gypsum powder with sound-absorbing noise-reducing function comprises 45-47 pts. wt. natural gypsum, 48-50 pts. wt. phosphogypsum, 16-17 pts. wt. calcined alunite, 3.2-3.5 pts. wt. hydroxyethyl cellulose, 1.6-1.8 pts. wt. graphene, 9-12 pts. wt. waste plastic particles, 7-9 pts. wt. white mineral oil, 10-11 pts. wt. fluff pulp, 2.3-2.5 pts. wt. stearic acid, 0.4-0.5 pts. wt. ammonium nitrate, 15-17 pts. wt. chestnut shell powder, 0.02-0.03 pts. wt. nano-aluminum powder and appropriate amount of water. USE - Building insulation gypsum powder with sound-absorbing noise-reducing function used for processing paper gypsum board, building block and building plaster. ADVANTAGE - The building insulation gypsum powder is economical and has high strength, large porosity, high heat preservation effect, sound-absorbing noise reduction effect, high performance, high bond strength, high compressive and high flexural strength. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of building insulation gypsum powder with sound-absorbing noise-reducing function.