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WO2018191997A1 - 一种耐高温脱模剂及其制备方法 - Google Patents

一种耐高温脱模剂及其制备方法 Download PDF

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WO2018191997A1
WO2018191997A1 PCT/CN2017/081854 CN2017081854W WO2018191997A1 WO 2018191997 A1 WO2018191997 A1 WO 2018191997A1 CN 2017081854 W CN2017081854 W CN 2017081854W WO 2018191997 A1 WO2018191997 A1 WO 2018191997A1
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parts
release agent
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high temperature
temperature resistant
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黄春华
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/01—Deodorant compositions
    • A61L9/014—Deodorant compositions containing sorbent material, e.g. activated carbon
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/01—Deodorant compositions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/01—Deodorant compositions
    • A61L9/013—Deodorant compositions containing animal or plant extracts, or vegetable material
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/20—Method-related aspects
    • A61L2209/21—Use of chemical compounds for treating air or the like
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/20—Method-related aspects
    • A61L2209/22—Treatment by sorption, e.g. absorption, adsorption, chemisorption, scrubbing, wet cleaning

Definitions

  • the invention relates to an adhesive, in particular to a high temperature resistant release agent and a preparation method thereof.
  • An object of the present invention is to provide a high temperature resistant release agent and a method of preparing the same, which solves one or more of the above prior art problems.
  • a high temperature resistant release agent comprising 45-185 parts of low molecular weight polyisobutylene, 34-84 parts of oxalic acid, 18-49 parts of emulsifier, 14-22 parts of catalyst, deionized by weight. 400-900 parts of water, 1-8 parts of ethylenediaminetetraacetic acid, 25-75 parts of silicone rubber, 5-17 parts of antifreeze and 12-32 parts of polyalkylene glycol, and 33-88 parts of hydroxyphenylethyl ester.
  • the emulsifier is a fatty alcohol polyoxyethylene ether or a fatty acid glyceride.
  • the catalyst is dodecylbenzenesulfonic acid, aluminum sulfate, or sodium silicate.
  • the antifreeze is ethylene glycol or glycerol.
  • the invention also provides a preparation method of the above-mentioned high temperature resistant release agent, comprising the following steps:
  • Step 1 Add low molecular weight polyisobutylene, oxalic acid, polyalkylene glycol, ethylenediaminetetraacetic acid, silicone rubber and 1/2 deionized water to the homogenizer, and then add 1/2 of the catalyst to adjust the pH. Value to 5-7, then add 1/2 emulsifier, at a speed of 3000r / min, pressure of 40-80mPa, homogenization 20-80min, to make a homogeneous preform emulsion;
  • Step 2 Add the remaining deionized water, emulsifier and catalyst to the reaction kettle, heat to 70-80 ° C, then add antifreeze, hydroxyphenyl ethyl ester and homogeneous preform emulsion, add time 2h, heat preservation 3- 6h, and then cooled to 40 ° C, the finished product.
  • the release agent of the invention can prolong the service life of the template, is convenient for cleaning, has good surface smoothness and greatly reduces the cost.
  • the emulsifier is a fatty alcohol polyoxyethylene ether
  • the catalyst is dodecylbenzenesulfonic acid
  • the antifreeze is ethylene glycol
  • the preparation method of the high temperature resistant release agent of the invention comprises the following steps:
  • Step 1 Add low molecular weight polyisobutylene, oxalic acid, polyalkylene glycol, ethylenediaminetetraacetic acid, silicone rubber and 1/2 deionized water to the homogenizer, and then add 1/2 of the catalyst to adjust the pH. Value to 5-7, then add 1/2 emulsifier, at a speed of 3000r / min, pressure of 40-80mPa, homogenization 20-80min, to make a homogeneous preform emulsion;
  • Step 2 Add the remaining deionized water, emulsifier and catalyst to the reaction kettle, heat to 70-80 ° C, then add antifreeze, hydroxyphenyl ethyl ester and homogeneous preform emulsion, add time 2h, heat preservation 3- 6h, and then cooled to 40 ° C, the finished product.
  • the release agent is applied on the inside of the template, and the dosage per square meter is about 0.2 kg.
  • the concrete is poured according to the normal construction procedure and demolished by the age. Tap the template, the template is separated from the concrete, the concrete surface is smooth, dense, washed with water, and can be easily washed away.
  • the emulsifier is a fatty acid glyceride
  • the catalyst is aluminum sulfate
  • the antifreeze is glycerin.
  • the preparation method of the high temperature resistant release agent of the invention comprises the following steps:
  • Step 1 Add low molecular weight polyisobutylene, oxalic acid, polyalkylene glycol, ethylenediaminetetraacetic acid, silicone rubber and 1/2 deionized water to the homogenizer, and then add 1/2 of the catalyst to adjust the pH. Value to 5-7, then add 1/2 emulsifier, at a speed of 3000r / min, pressure of 40-80mPa, homogenization 20-80min, to make a homogeneous preform emulsion;
  • Step 2 Add the remaining deionized water, emulsifier and catalyst to the reaction kettle, heat to 70-80 ° C, then add antifreeze, hydroxyphenyl ethyl ester and homogeneous preform emulsion, add time 2h, heat preservation 3- 6h, and then cooled to 40 ° C, the finished product.
  • the release agent is applied on the inside of the template, and the dosage per square meter is about 0.2 kg.
  • the concrete is poured according to the normal construction procedure and demolished by the age. Tap the template, the template is separated from the concrete, the concrete surface is smooth, dense, washed with water, and can be easily washed away.
  • the emulsifier is a fatty acid glyceride
  • the catalyst is sodium silicate
  • the antifreeze is glycerin.
  • the preparation method of the high temperature resistant release agent of the invention comprises the following steps:
  • Step 1 Add low molecular weight polyisobutylene, oxalic acid, polyalkylene glycol, ethylenediaminetetraacetic acid, silicone rubber and 1/2 deionized water to the homogenizer, and then add 1/2 of the catalyst to adjust the pH. Value to 5-7, then add 1/2 emulsifier, at a speed of 3000r / min, pressure of 40-80mPa, homogenization 20-80min, to make a homogeneous preform emulsion;
  • Step 2 Add the remaining deionized water, emulsifier and catalyst to the reaction kettle, heat to 70-80 ° C, then add antifreeze, hydroxyphenyl ethyl ester and homogeneous preform emulsion, add time 2h, heat preservation 3- 6h, and then cooled to 40 ° C, the finished product.
  • the release agent is applied on the inside of the template, and the dosage per square meter is about 0.2 kg.
  • the concrete is poured according to the normal construction procedure and demolished by the age. Tap the template, the template is separated from the concrete, the concrete surface is smooth, dense, washed with water, and can be easily washed away.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Botany (AREA)
  • Zoology (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Detergent Compositions (AREA)
  • Fertilizers (AREA)
  • Aftertreatments Of Artificial And Natural Stones (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

一种耐高温脱模剂及其制备方法，按重量份包括低分子聚异丁烯45-185份、草酸34-84份、乳化剂18-49份、催化剂14-22份、去离子水400-900份、乙二胺四乙酸1-8份、硅橡胶25-75份、防冻剂5-17份和聚亚烷基二醇12-32份，羟苯乙酯33-88份。由此，能够延长模板的使用寿命，方便清洗，其表面光洁度好，较大的降低了成本。

Description

一种耐高温脱模剂及其制备方法 技术领域
本发明涉及胶黏剂，尤其涉及一种耐高温脱模剂及其制备方法。
背景技术
在混凝土浇注中，制品如果与模板相粘，不仅损坏制品表面光度，而且造成拆模困难，费时费力，加大建筑成本。因此脱模剂的使用在混凝土施工中至关重要。
为了满足装配式钢筋混凝土浇注的需要和外露构件及装饰面对混凝土外表的要求，应用脱模剂是比较普遍的，多采用化工原料配制，存在成本高，脱模效果差，不易清洗。
发明内容
本发明的目的提供一种耐高温脱模剂及其制备方法，解决上述现有技术问题中的一个或者多个。
根据本发明的一个方面，提供一种耐高温脱模剂，按重量份包括低分子聚异丁烯45-185份、草酸34-84份、乳化剂18-49份、催化剂14-22份、去离子水400-900份、乙二胺四乙酸1-8份、硅橡胶25-75份、防冻剂5-17份和聚亚烷基二醇12-32份，羟苯乙酯33-88份。
在一些实施方式中：乳化剂为脂肪醇聚氧乙烯醚或脂肪酸甘油酯。
在一些实施方式中：催化剂为十二烷基苯磺酸、硫酸铝或硅酸钠。
在一些实施方式中：防冻剂为乙二醇或甘油。
本发明还提供了上述的一种耐高温脱模剂的制备方法，包括以下步骤：
步骤一：在均质机中加入低分子聚异丁烯、草酸、聚亚烷基二醇、乙二胺四乙酸、硅橡胶和1/2的去离子水，再投入1/2的催化剂，调节pH值至5-7，然后加入1/2的乳化剂，在速度为3000r/min，压力为40-80mPa的条件下，均质20-80min，制成均质预制体乳液；
步骤二：在反应釜中加入剩余的去离子水、乳化剂和催化剂，升温至70-80℃，再加入防冻剂、羟苯乙酯和均质预制体乳液，加入时间为2h，保温3-6h，再冷却至40℃，即得成品。
本发明的脱模剂能够延长模板的使用寿命，方便清洗，其表面光洁度好，较大的降低了成本。
具体实施方式
下面通过实施例对本发明作进一步详细说明。
实施例1：
按重量份包括低分子聚异丁烯45份、草酸34份、乳化剂18份、催化剂14份、去离子水400份、乙二胺四乙酸1份、硅橡胶25份、防冻剂5份和聚亚烷基二醇12份，羟苯乙酯33份。
其中，乳化剂为脂肪醇聚氧乙烯醚，催化剂为十二烷基苯磺酸，防冻剂为乙二醇。
本发明耐高温脱模剂的制备方法：包括以下步骤：
步骤一：在均质机中加入低分子聚异丁烯、草酸、聚亚烷基二醇、乙二胺四乙酸、硅橡胶和1/2的去离子水，再投入1/2的催化剂，调节pH值至5-7，然后加入1/2的乳化剂，在速度为3000r/min，压力为40-80mPa的条件下，均质20-80min，制成均质预制体乳液；
步骤二：在反应釜中加入剩余的去离子水、乳化剂和催化剂，升温至70-80℃，再加入防冻剂、羟苯乙酯和均质预制体乳液，加入时间为2h，保温3-6h，再冷却至40℃，即得成品。
混凝土工程施工，在支好模板后，在模板内侧涂刷本脱模剂，每平方米用量约为0.2kg。按正常施工程序浇注混凝土，到龄期拆模。轻敲模板，模板即与混凝土脱离，混凝土表面光滑、密实，用水清洗，能够轻易洗去。
实施例2：
按重量份包括低分子聚异丁烯85份、草酸64份、乳化剂28份、催化剂17份、去离子水700份、乙二胺四乙酸5份、硅橡胶55份、防冻剂12份和聚亚烷基二醇24份，羟苯乙52份。
其中，乳化剂为脂肪酸甘油酯，催化剂为硫酸铝，防冻剂为甘油。
本发明耐高温脱模剂的制备方法：包括以下步骤：
步骤一：在均质机中加入低分子聚异丁烯、草酸、聚亚烷基二醇、乙二胺四乙酸、硅橡胶和1/2的去离子水，再投入1/2的催化剂，调节pH值至5-7，然后加入1/2的乳化剂，在速度为3000r/min，压力为40-80mPa的条件下，均质20-80min，制成均质预制体乳液；
步骤二：在反应釜中加入剩余的去离子水、乳化剂和催化剂，升温至70-80℃，再加入防冻剂、羟苯乙酯和均质预制体乳液，加入时间为2h，保温3-6h，再冷却至40℃，即得成品。
混凝土工程施工，在支好模板后，在模板内侧涂刷本脱模剂，每平方米用量约为0.2kg。按正常施工程序浇注混凝土，到龄期拆模。轻敲模板，模板即与混凝土脱离，混凝土表面光滑、密实，用水清洗，能够轻易洗去。
实施例3：
按重量份包括低分子聚异丁烯185份、草酸84份、乳化剂49份、催化剂22份、去离子水900份、乙二胺四乙酸8份、硅橡胶75份、防冻剂17份和聚亚烷基二醇32份，羟苯乙酯88份。
其中，乳化剂为脂肪酸甘油酯，催化剂为硅酸钠，防冻剂为甘油。
本发明耐高温脱模剂的制备方法：包括以下步骤：
步骤一：在均质机中加入低分子聚异丁烯、草酸、聚亚烷基二醇、乙二胺四乙酸、硅橡胶和1/2的去离子水，再投入1/2的催化剂，调节pH值至5-7，然后加入1/2的乳化剂，在速度为3000r/min，压力为40-80mPa的条件下，均质20-80min，制成均质预制体乳液；
步骤二：在反应釜中加入剩余的去离子水、乳化剂和催化剂，升温至70-80℃，再加入防冻剂、羟苯乙酯和均质预制体乳液，加入时间为2h，保温3-6h，再冷却至40℃，即得成品。
混凝土工程施工，在支好模板后，在模板内侧涂刷本脱模剂，每平方米用量约为0.2kg。按正常施工程序浇注混凝土，到龄期拆模。轻敲模板，模板即与混凝土脱离，混凝土表面光滑、密实，用水清洗，能够轻易洗去。
以上所述仅是本发明的一种实施方式，应当指出，对于本领域普通技术人员来说，在不脱离本发明创造构思的前提下，还可以做出若干相似的变形和改进，这些也应视为本发明的保护范围之内。

Claims (5)

  1. 一种耐高温脱模剂，其特征在于：按重量份包括低分子聚异丁烯45-185份、草酸34-84份、乳化剂18-49份、催化剂14-22份、去离子水400-900份、乙二胺四乙酸1-8份、硅橡胶25-75份、防冻剂5-17份和聚亚烷基二醇12-32份，羟苯乙酯33-88份。
  2. 根据权利要求1所述的一种耐高温脱模剂，其特征在于：所述乳化剂为脂肪醇聚氧乙烯醚或脂肪酸甘油酯。
  3. 根据权利要求1所述的一种耐高温脱模剂，其特征在于：所述催化剂为十二烷基苯磺酸、硫酸铝或硅酸钠。
  4. 根据权利要求1所述的一种耐高温脱模剂，其特征在于：所述防冻剂为乙二醇或甘油。
  5. 一种制备权利要求1-4任一项所述耐高温脱模剂的方法,其特征在于,包括以下步骤:
    步骤一:在均质机中加入低分子聚异丁烯、草酸、聚亚烷基二醇、乙二胺四乙酸、硅橡胶和1/2的去离子水，再投入1/2的催化剂，调节pH值至5-7，然后加入1/2的乳化剂，在速度为3000r/min，压力为40-80mPa的条件下，均质20-80min，制成均质预制体乳液；
    步骤二:在反应釜中加入剩余的去离子水、乳化剂和催化剂，升温至70-80℃，再加入防冻剂、羟苯乙酯和均质预制体乳液，加入时间为2h，保温3-6h，再冷却至40℃，即得成品。
PCT/CN2017/081854 2017-04-18 2017-04-25 一种耐高温脱模剂及其制备方法 Ceased WO2018191997A1 (zh)

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PCT/CN2017/082212 Ceased WO2018192002A1 (zh) 2017-04-18 2017-04-27 一种熟菜增产肥
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CN103567375A (zh) * 2013-10-09 2014-02-12 东莞市鹏润化工产品有限公司 无硅型镁合金压铸脱模剂
CN105038916A (zh) * 2015-06-08 2015-11-11 梁胜光 一种混凝土脱模剂
CN105969487A (zh) * 2016-07-01 2016-09-28 陈凌燕 一种复合型脱模剂

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