Wood modified fiber reinforced cement external wallboard and manufacturing process thereof

一种木质改性纤维增强水泥外墙板及其制造工艺

Abstract

The present invention discloses a wood modified fiber reinforced cement external wallboard. The wood modified fiber reinforced cement external wallboard comprises the following components: 60-100 parts of cement, 10-20 parts of calcium powder, 10-30 parts of silicon powder, 2-10 parts of expanded perlite, 0.2-4 parts of modified wood fiber, 0-1.5 parts of polypropylene fiber, 20-40 parts of second class fly ash, 0.2-0.4 parts of methylcellulose, 0-8 parts of paper pulp, 0-6 parts of an initial set agent, 2-10 parts of gypsum whisker and 0.2-8 parts of flake mica. The present invention furtherdiscloses a manufacturing process for the wood modified fiber reinforced cement external wallboard. According to the present invention, the modified wood fiber is added to the components, such that the use amount of the methylcellulose (MC) is substantially reduced.
本发明公开了一种木质改性纤维增强水泥外墙板,包括如下组份:水泥60~100份、钙粉10~20份、硅粉10~30份、膨胀珍珠岩2~10份、改性木质纤维0.2~4份、聚丙烯纤维0~1.5份、二级粉煤灰20~40份、甲基纤维素0.2~0.4份、纸浆0~8份、初凝剂为0~6份,石膏晶须2~10份,片状云母0.2~8份。本发明还公开了一种木质改性纤维增强水泥外墙板的制造工艺。通过在组份中加入经过改性的木质纤维,能够使得甲基纤维素(MC)的用量大大降低。

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