CN1091394A - 疏水二氧化硅及生产方法 - Google Patents

疏水二氧化硅及生产方法 Download PDF

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Publication number
CN1091394A
CN1091394A CN 94110830 CN94110830A CN1091394A CN 1091394 A CN1091394 A CN 1091394A CN 94110830 CN94110830 CN 94110830 CN 94110830 A CN94110830 A CN 94110830A CN 1091394 A CN1091394 A CN 1091394A
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production method
water drain
drain silica
high temperature
perlite powder
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CN 94110830
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English (en)
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陈汉长
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Individual
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Individual
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Priority to CN 94110830 priority Critical patent/CN1091394A/zh
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Abstract

一种化工产品疏水二氧化硅及生产方法。
该产品是用珍珠岩粉为主要原料制成,能取代物 耗高、价格昂贵的疏水白炭黑,其生产方法是用珍珠 岩粉(天然硅酸铝矿)通过预热、高温膨胀、粉碎、硅油 处理、浮选、干燥而成。

Description

本发明属于一种化工产品,主要用于消防灭火的干粉配制,另在不透明橡胶制品、不透明的塑料制品中可做补强剂。
目前消防灭火的干粉中是使疏水白炭黑(学名疏水水合二氧化硅)做为疏水剂,疏水白炭黑的生产方法是用碳酸钠与二氧化硅置入高温融合后再用水溶解、过滤、中和胶凝、酸化、老化、过滤、洗涤、干燥、粉碎、高温脱水、硅油处理而成,因物耗较高,工艺路线长,故所成本及售价昂贵,同时,白炭黑因含有结合水份子,易结块,不便于硅油处理。
本发明的目的是提供一种新的疏水产品及生产方法。
本发明的疏水二氧化硅是这样实现的:用珍珠岩粉(天然硅酸铝矿),通过预热、高温膨胀制成膨胀珍珠岩粉,再粉碎、硅油处理、浮选、干燥即可。
具体实施的工艺程序:珍珠岩粉→预热→高温膨胀→粉碎→硅油处理→浮选→干燥即成产品。
本发明的疏水二氧化硅及生产方法,因采用了天然矿物,不耗用酸、碱,又因工艺路线短,所以成本大幅下降,该物质因通过高温膨化时同时脱去了矿物中的结合水分子,故所不易结块,在消防灭火的干粉配制中具有与原来产品同等效能。

Claims (1)

1、一种化工产品疏水二氧化硅及生产方法,其特征是:用珍珠岩粉(天然硅酸铝矿),通过预热、高温膨胀、粉碎、硅油处理、浮选、干燥而成。
CN 94110830 1994-01-22 1994-01-22 疏水二氧化硅及生产方法 Pending CN1091394A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 94110830 CN1091394A (zh) 1994-01-22 1994-01-22 疏水二氧化硅及生产方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 94110830 CN1091394A (zh) 1994-01-22 1994-01-22 疏水二氧化硅及生产方法

Publications (1)

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CN1091394A true CN1091394A (zh) 1994-08-31

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Family Applications (1)

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CN 94110830 Pending CN1091394A (zh) 1994-01-22 1994-01-22 疏水二氧化硅及生产方法

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CN (1) CN1091394A (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101268155B (zh) * 2005-08-09 2014-05-07 桑德兰大学 疏水性二氧化硅颗粒及其制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101268155B (zh) * 2005-08-09 2014-05-07 桑德兰大学 疏水性二氧化硅颗粒及其制备方法

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