摘要:
A composite foam of low thermal conductivity comprisesa) 20-80% by volume of silica aerogel particles having a mean diameter of from 0.1 to 20 mm and a density of from 0.08 to 0.40 g/cm.sup.3,b) 20-80% by volume of a styrene polymer foam which surrounds the particles of component a) and binds them to one another and has a density of from 0.01 to 0.15 g/cm.sup.3, and, if desired,c) conventional additives in effective amounts.
摘要翻译:低热导率的复合泡沫体包括a)20-80体积%的平均直径为0.1-20mm,密度为0.08-0.40g / cm3的二氧化硅气凝胶颗粒,b)20-80体积% 的苯乙烯聚合物泡沫体,其围绕组分a)的颗粒并将它们彼此结合并具有0.01至0.15g / cm 3的密度,以及如果需要,c)有效量的常规添加剂。
摘要:
In a process for preparing expandable styrene polymers containing graphite particles, styrene is polymerized in aqueous suspension in the presence of graphite particles.
摘要:
A composite foam of low thermal conductivity comprisesa) 20-80% by volume of silica aerogel particles having a mean diameter of from 0.1 to 20 mm and a density of from 0.08 to 0.40 g/cm.sup.3,b) 20-80% by volume of styrene polymer foam which surrounds the particles of component a) and binds them to one another and has a density of from 0.01 to 0.15 g/cm.sup.3, and, if desired,c) conventional additives in effective amounts.
摘要翻译:低热导率的复合泡沫体包括a)20-80体积%的平均直径为0.1-20mm,密度为0.08-0.40g / cm3的二氧化硅气凝胶颗粒,b)20-80体积% 的苯乙烯聚合物泡沫塑料,其围绕组分a)的颗粒并将它们彼此结合并具有0.01至0.15g / cm 3的密度,并且如果需要,c)有效量的常规添加剂。
摘要:
A process for the manufacture of a thermally insulating light stucco or plaster mixture which consists of expanded polystyrene particles coated with an aqueous solution of methyl cellulose in addition to cement, wall binder and dispersion powders.