A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
СПОСОБ ИЗГОТОВЛЕНИЯ ЛИСТОВ НА ОСНОВЕ ГИПСА И СУСПЕНЗИЯ ШТУКАТУРНОГО ГИПСА ДЛЯ ПРИМЕНЕНИЯ В НИХ
A method for continuously forming gypsum-based panels of high fixing strength comprises the steps of: •forming a mixture comprising stucco, non-pregelatinized migratory starch, glass fibre, fluidizer and water; •casting the mixture in a continuous band; •maintaining the band under conditions sufficient for the stucco to form an interlocking matrix of set gypsum; •cutting the band to form one or more wet panel precursors; and •drying the wet panel precursor to form one or more gypsum-based panels. •The weight ratio of water to stucco in the mixture is less than 0.7; •the stucco is present in the mixture in an amount of over 60 wt % relative to the total solids content of the mixture; •the starch is present in the mixture in an amount of over 3 wt % relative to the stucco; •the glass fibre is present in the mixture in an amount of over 1 wt % relative to the stucco; •the fluidizer is present in the mixture in an amount of at least 0.1 wt % relative to the stucco; and the density of the gypsum-based panel is greater than 700 kg/m.
СПОСОБ ИЗГОТОВЛЕНИЯ ЛИСТОВ НА ОСНОВЕ ГИПСА И СУСПЕНЗИЯ ШТУКАТУРНОГО ГИПСА ДЛЯ ПРИМЕНЕНИЯ В НИХ
A method for continuously forming gypsum-based panels of high fixing strength comprises the steps of: •forming a mixture comprising stucco, non-pregelatinized migratory starch, glass fibre, fluidizer and water; •casting the mixture in a continuous band; •maintaining the band under conditions sufficient for the stucco to form an interlocking matrix of set gypsum; •cutting the band to form one or more wet panel precursors; and •drying the wet panel precursor to form one or more gypsum-based panels. •The weight ratio of water to stucco in the mixture is less than 0.7; •the stucco is present in the mixture in an amount of over 60 wt % relative to the total solids content of the mixture; •the starch is present in the mixture in an amount of over 3 wt % relative to the stucco; •the glass fibre is present in the mixture in an amount of over 1 wt % relative to the stucco; •the fluidizer is present in the mixture in an amount of at least 0.1 wt % relative to the stucco; and the density of the gypsum-based panel is greater than 700 kg/m.
СПОСОБ ИЗГОТОВЛЕНИЯ ЛИСТОВ НА ОСНОВЕ ГИПСА И СУСПЕНЗИЯ ШТУКАТУРНОГО ГИПСА ДЛЯ ПРИМЕНЕНИЯ В НИХ
2020-01-23
Patent
Electronic Resource
Russian
IPC:
C04B
Kalk
,
LIME
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