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CN1544563A - A kind of environment-friendly water-soluble building adhesive and preparation method thereof - Google Patents

A kind of environment-friendly water-soluble building adhesive and preparation method thereof Download PDF

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Publication number
CN1544563A
CN1544563A CNA2003101085598A CN200310108559A CN1544563A CN 1544563 A CN1544563 A CN 1544563A CN A2003101085598 A CNA2003101085598 A CN A2003101085598A CN 200310108559 A CN200310108559 A CN 200310108559A CN 1544563 A CN1544563 A CN 1544563A
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water
polyvinyl alcohol
calcium chloride
environment
adhesive
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CN100347262C (en
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蒋正武
孙振平
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Tongji University
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Tongji University
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Abstract

本发明为一种环保型水溶性建筑粘结剂。它由聚乙烯醇、聚乙二醇、亚甲基双萘磺酯钠、氯化钙、碳酸钠和水按适当的重量配比经一定的工艺配制而成。该粘结剂具有良好的和易性、保水性,硬化后具有高耐水性和耐久性,与各种基体粘结力强,且无环境污染问题,应用范围广泛。The invention is an environment-friendly water-soluble building adhesive. It is prepared from polyvinyl alcohol, polyethylene glycol, sodium methylene bis-naphthalene sulfonate, calcium chloride, sodium carbonate and water according to an appropriate weight ratio through a certain process. The adhesive has good workability and water retention, high water resistance and durability after hardening, strong adhesion with various substrates, and no environmental pollution problems, and has a wide range of applications.

Description

一种环保型水溶性建筑粘结剂及其制备方法A kind of environment-friendly water-soluble building adhesive and preparation method thereof

技术领域technical field

本发明属建筑材料技术领域,具体涉及一种建筑工程用环保型水溶性建筑粘结剂及其制备方法。The invention belongs to the technical field of building materials, and in particular relates to an environment-friendly water-soluble building adhesive for building engineering and a preparation method thereof.

背景技术Background technique

随着建筑工业的迅速发展以及建筑技术的不断提升,建筑粘结剂因其具有良好的界面粘结力、耐水性等性能在建筑工程中的应用十分广泛,应用面不断扩大。目前,建筑粘结剂主要有粉剂与水剂两大类。水剂以聚乙烯醇缩甲醛为主要原材料的建筑粘结剂如107建筑胶、801建筑胶,其在建筑粘结剂市场上占有极大的份额。聚乙烯醇缩甲醛的最大优势是价格低廉和用途广泛,在过去的二十多年中产量不断提高,使用范围不断扩大,目前被大量应用到室内装修用的墙面批嵌材料、墙地砖的粘贴材料、外墙面的粉饰材料等等。由于这类粘结剂通过聚乙烯醇与甲醛进行缩合反应制成,人为的引入甲醛作为原料,粘结剂内含有一定量的游离甲醛。在生产、施工和使用过程中,游离甲醛不断地释放出来,影响室内空气质量,有害人体健康、逐步限制使用甚至禁止使用的呼声日益高涨。但是这类粘结剂的价格低廉,性能较好,应用范围较广。根据我国现有的条件,这些粘结剂仍占有一定市场。With the rapid development of the construction industry and the continuous improvement of construction technology, construction adhesives are widely used in construction projects because of their good interfacial adhesion and water resistance, and their application areas continue to expand. At present, there are two main types of construction adhesives: powder and water. Water-based construction adhesives with polyvinyl formal as the main raw material, such as 107 construction adhesive and 801 construction adhesive, occupy a huge share in the construction adhesive market. The biggest advantage of polyvinyl formal is its low price and wide range of uses. In the past two decades, the output has continued to increase, and the scope of use has continued to expand. At present, it is widely used in wall materials for interior decoration and wall and floor tiles. Paste materials, decoration materials for exterior walls, etc. Since this type of binder is made through the condensation reaction of polyvinyl alcohol and formaldehyde, formaldehyde is artificially introduced as a raw material, and the binder contains a certain amount of free formaldehyde. In the process of production, construction and use, free formaldehyde is continuously released, which affects indoor air quality, is harmful to human health, and calls for gradually restricting or even banning its use are increasing. But this kind of binder is cheap, has better performance, and has a wider range of applications. According to the existing conditions in our country, these binders still occupy a certain market.

根据我国建筑技术发展的需求与可持续发展战略,开发无毒、无污染、环保型的水溶性建筑粘结剂具有重要的意义,不仅具有良好的经济效益,而且带来巨大的社会效益。According to the needs of my country's construction technology development and the sustainable development strategy, it is of great significance to develop non-toxic, non-polluting and environmentally friendly water-soluble construction adhesives, which not only have good economic benefits, but also bring huge social benefits.

发明内容Contents of the invention

本发明的目的在于提供一种具有良好的粘结性、和易性、抗渗性、无污染且耐久的环保型水溶性建筑粘结剂及其制备方法。The object of the present invention is to provide an environment-friendly water-soluble building adhesive with good cohesiveness, workability, impermeability, pollution-free and durable and a preparation method thereof.

本发明提出的环保型水溶性建筑粘结剂,由聚乙烯醇、聚乙二醇、氯化钙、亚甲基双萘磺酸钠、碳酸钠、水组成,各组分的重量配比如下:The environmental-friendly water-soluble building adhesive proposed by the present invention is composed of polyvinyl alcohol, polyethylene glycol, calcium chloride, sodium methylene bis-naphthalene sulfonate, sodium carbonate, and water, and the weight ratio of each component is as follows :

聚乙烯醇                  10-30Polyvinyl alcohol 10-30

聚乙二醇                  5-20Polyethylene glycol 5-20

亚甲基双萘磺酸钠          2-10Sodium methylene bis-naphthalene sulfonate 2-10

氯化钙                       20-80Calcium Chloride 20-80

碳酸钠                       0-5Sodium carbonate 0-5

水                           300-500Water 300-500

各组分较佳重量配比为The optimal weight ratio of each component is

聚乙烯醇                     15-20Polyvinyl alcohol 15-20

聚乙二醇                     10-15Polyethylene glycol 10-15

亚甲基双萘磺酸钠             4-8Sodium methylene bis-naphthalene sulfonate 4-8

氯化钙                       50-60Calcium chloride 50-60

碳酸钠                       1-3Sodium carbonate 1-3

水                           430-480Water 430-480

各组分按下述的制备工艺制备而成水溶性建筑粘结剂。其中,组分中也可加入其他助剂来调节性能。聚乙烯醇,但不再添加甲醛进行缩醛反应,而是选择其他的多种助剂对聚乙烯醇的分子进行改性,提高环保型建筑界面剂的粘结强度、粘度、和易性与耐久性。增粘组分是界面剂中的主要组分,对调整掺入界面剂的砂浆拌和物的粘度、流动性等性能起到重要的作用。Each component is prepared according to the following preparation process to form a water-soluble construction adhesive. Among them, other additives can also be added to the components to adjust the performance. Polyvinyl alcohol, but no longer add formaldehyde for acetal reaction, but choose other various additives to modify the molecules of polyvinyl alcohol, improve the bonding strength, viscosity, workability and durability. The viscosifying component is the main component of the interface agent, which plays an important role in adjusting the viscosity and fluidity of the mortar mixture mixed with the interface agent.

试验测试出的水溶性建筑粘结剂的各项技术指标值来看,本发明产品在使用过程中,总有机挥发物少,符合环保型建筑粘结剂的技术性能要求,是一种无污染、绿色环保型的产品。According to the various technical index values of the water-soluble building adhesive tested by the test, the product of the present invention has less total organic volatiles during use, which meets the technical performance requirements of the environmental-friendly building adhesive, and is a pollution-free , Green products.

水溶性建筑粘结剂在使用时,按水泥用量的50%-60%比例掺入水泥砂浆中,拌和即可使用。如果对粘结力要求高的场合,可以适当增大粘结剂的使用量。环保型水溶性建筑界面剂进行饰面材料的粘贴,具有高强、高粘结、抗渗、低收缩、耐候性和施工效率高、环境污染小等特点。同时,还可以按施工要求和季节变化通过调整组成材料比例来获得适宜的凝结时间和粘稠性能,彻底解决空鼓、脱壳、开裂和结皮等难题。When the water-soluble building adhesive is in use, it is mixed into cement mortar according to the proportion of 50%-60% of the amount of cement, and it can be used after mixing. In the case of high requirements for adhesive force, the amount of adhesive can be appropriately increased. The environmentally friendly water-soluble building interface agent is used for pasting facing materials, which has the characteristics of high strength, high adhesion, impermeability, low shrinkage, weather resistance, high construction efficiency, and low environmental pollution. At the same time, according to the construction requirements and seasonal changes, the appropriate setting time and viscous performance can be obtained by adjusting the proportion of the constituent materials, and the problems of hollowing, shelling, cracking and crusting can be completely solved.

本发明的制备方法是:首先,选用适当的反应釜等设备,反应釜的搅拌形式和搅拌速度等条件能满足一定的要求。制备过程中注意加入分散剂、增粘剂和稳定剂等的时间、加入速度和物料的温度控制。The preparation method of the present invention is as follows: firstly, select equipment such as suitable reactor, and conditions such as the stirring form and the stirring speed of the reactor can meet certain requirements. During the preparation process, attention should be paid to the time and speed of adding dispersants, tackifiers and stabilizers, etc., and the temperature control of materials.

制备方法如下:按用量配比称量各组分,首先,将聚乙烯醇加入70~95℃热水中,搅拌,直至完全溶解,一般为搅拌100-150分钟;然后调节温度至40-50℃,加入聚乙二醇,并搅拌,进行保温反应。同时,按比例加水溶解早强剂氯化钙及其他助剂;待保温结束,将溶解的溶液倒入反应釜,搅拌均匀,即形成产品。The preparation method is as follows: Weigh each component according to the dosage ratio. First, add polyvinyl alcohol into hot water at 70-95°C and stir until it is completely dissolved, usually for 100-150 minutes; then adjust the temperature to 40-50°C ℃, add polyethylene glycol, and stir to carry out the heat preservation reaction. At the same time, add water in proportion to dissolve the early strength agent calcium chloride and other additives; after the heat preservation is over, pour the dissolved solution into the reaction kettle and stir evenly to form the product.

本发明的优点在于:The advantages of the present invention are:

(1)产品无毒、无有机挥发性物质,对人体无害,不污染环境,属于环保型快速修补材料;(1) The product is non-toxic, has no organic volatile substances, is harmless to the human body, does not pollute the environment, and is an environmentally friendly quick repair material;

(2)配制的砂浆具有良好的和易性、保水性,硬化后具有高耐水性及耐久性等特点;(2) The prepared mortar has good workability and water retention, and has the characteristics of high water resistance and durability after hardening;

(3)与各种基体粘结力很强,与普通水泥砂浆相比,粘结强度大幅度提高;(3) Strong bonding force with various substrates, compared with ordinary cement mortar, the bonding strength is greatly improved;

(4)应用范围广,可按施工要求和气候变化通过调整组成材料比例来获得适宜的凝结时间和粘稠性能。(4) It has a wide range of applications, and can obtain suitable setting time and viscous performance by adjusting the proportion of constituent materials according to construction requirements and climate changes.

具体实施方式Detailed ways

本发明的环保型水溶性建筑粘结剂,由聚乙烯醇、聚乙二醇、氯化钙、亚甲基双萘磺酸钠、碳酸钠、水组成。根据应用的环境条件,通过调整发明的配方,可以获得所需要的性能。The environment-friendly water-soluble building adhesive of the invention is composed of polyvinyl alcohol, polyethylene glycol, calcium chloride, sodium methylene bis-naphthalene sulfonate, sodium carbonate and water. According to the environmental conditions of the application, the required performance can be obtained by adjusting the invented formula.

实施例1,各组分的重量份额为:Embodiment 1, the weight share of each component is:

聚乙烯醇                     15Polyvinyl alcohol 15

聚乙二醇                     10Polyethylene glycol 10

亚甲基双萘磺酸钠             6Sodium methylene bis-naphthalene sulfonate 6

氯化钙                       50Calcium chloride 50

碳酸钠                       1Sodium Carbonate 1

水                           400Water 400

实施例2,各组分的重量份额为:Embodiment 2, the weight share of each component is:

聚乙烯醇                     12Polyvinyl alcohol 12

聚乙二醇                     10Polyethylene glycol 10

亚甲基双萘磺酸钠             6Sodium methylene bis-naphthalene sulfonate 6

氯化钙                       55Calcium chloride 55

碳酸钠                       1Sodium Carbonate 1

水                           450Water 450

实施例3,各组分的重量份额为:Embodiment 3, the weight share of each component is:

聚乙烯醇                     18Polyvinyl alcohol 18

聚乙二醇                     10Polyethylene glycol 10

亚甲基双萘磺酸钠             7Sodium methylene bis-naphthalene sulfonate 7

氯化钙                       50Calcium chloride 50

碳酸钠                       0Sodium carbonate 0

水                           450Water 450

实施例4,各组分的重量份额为:Embodiment 4, the weight share of each component is:

聚乙烯醇                       10Polyvinyl alcohol 10

聚乙二醇                       5Polyethylene Glycol 5

亚甲基双萘磺酸钠               3Sodium methylene bis-naphthalene sulfonate 3

氯化钙                         20Calcium chloride 20

碳酸钠                         3Sodium Carbonate 3

水                             500Water 500

实施例5,各组分的重量份额为:Embodiment 5, the weight share of each component is:

聚乙烯醇                       30Polyvinyl alcohol 30

聚乙二醇                       20Polyethylene glycol 20

亚甲基双萘磺酸钠               10Sodium methylene bis-naphthalene sulfonate 10

氯化钙                         80Calcium chloride 80

碳酸钠                         5Sodium Carbonate 5

水                             500Water 500

上述各组配比,按前述的制备工艺,均可得到性能良好的建筑粘结剂,且无污染,属环保型产品。According to the aforementioned preparation process, a building adhesive with good performance can be obtained without pollution, and is an environment-friendly product.

Claims (3)

1, a kind of environment-friendly water-soluble adhesive for building is characterized in that being made up of polyvinyl alcohol, polyoxyethylene glycol, calcium chloride, sodium methylene bis-naphthalene sulfonate, yellow soda ash, water, and the weight proportion of each component is as follows:
Polyvinyl alcohol 10-30
Polyoxyethylene glycol 5-20
Sodium methylene bis-naphthalene sulfonate 2-10
Calcium chloride 20-80
Yellow soda ash 0-5
Water 300-500.
2, adhesive for building according to claim 1 is characterized in that the weight proportion of each component is as follows:
Polyvinyl alcohol 15-20
Polyoxyethylene glycol 10-15
Sodium methylene bis-naphthalene sulfonate 4-8
Calcium chloride 50-60
Yellow soda ash 1-3
Water 430-480.
3, a kind of preparation method of environment-friendly water-soluble adhesive for building as claimed in claim 1 is characterized in that by each component of consumption proportion weighing, at first, polyvinyl alcohol is added in 70~95 ℃ of hot water, stirs, until dissolving fully; Attemperation 40-50 ℃ then, add polyoxyethylene glycol, and stir, carry out insulation reaction, simultaneously, hardening accelerator calcium chloride and other auxiliary agents in proportion are dissolved in water; Treat that insulation finishes, pour dissolved solution into reactor, stir, promptly form product.
CNB2003101085598A 2003-11-13 2003-11-13 Environment protectional water soluble building adhesive and preparing process thereof Expired - Fee Related CN100347262C (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101333428B (en) * 2007-06-29 2011-03-23 张志东 Sealant for methane tank
CN103833308A (en) * 2012-11-26 2014-06-04 李学富 Alcohol-substituted gel and preparation method thereof
CN108864994A (en) * 2017-05-16 2018-11-23 航天特种材料及工艺技术研究所 A kind of solubility bonding agent, soluble core model and preparation method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK630987D0 (en) * 1987-12-01 1987-12-01 Ferrosan As ARYLOXYPHENYL PROPYLAMINES, THEIR PREPARATION AND USE
CN1064693A (en) * 1991-03-09 1992-09-23 夏洁心 Wall brick and pavement adhesive specially
JPH05295211A (en) * 1992-04-14 1993-11-09 Three S Technol Bv Release composition which is water-disintegrable water-absorptive or is used for self-adhesive
CN1132770A (en) * 1995-04-04 1996-10-09 楼文星 Powdered adhesive for building
IT1317885B1 (en) * 2000-08-01 2003-07-15 Sigma Tau Ind Farmaceuti USE OF FIBRATES FOR THE PREPARATION OF A USEFUL DRUG IN THE TREATMENT OF CONGESTIAL HEART INSUFFICIENCY.
JP2002274911A (en) * 2001-03-19 2002-09-25 Cedarwood:Kk Production process of building material using fly ash

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101333428B (en) * 2007-06-29 2011-03-23 张志东 Sealant for methane tank
CN103833308A (en) * 2012-11-26 2014-06-04 李学富 Alcohol-substituted gel and preparation method thereof
CN103833308B (en) * 2012-11-26 2016-12-21 李学富 Polyvinyl alcohol substited glue and preparation method thereof
CN108864994A (en) * 2017-05-16 2018-11-23 航天特种材料及工艺技术研究所 A kind of solubility bonding agent, soluble core model and preparation method
CN108864994B (en) * 2017-05-16 2020-06-16 航天特种材料及工艺技术研究所 Soluble adhesive, soluble core mold and preparation method

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