CN101694114B - Waterproof roll capable of carrying out chemical bonding and physical crosslinking synergism with concrete - Google Patents

Waterproof roll capable of carrying out chemical bonding and physical crosslinking synergism with concrete Download PDF

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CN101694114B
CN101694114B CN 200910114456 CN200910114456A CN101694114B CN 101694114 B CN101694114 B CN 101694114B CN 200910114456 CN200910114456 CN 200910114456 CN 200910114456 A CN200910114456 A CN 200910114456A CN 101694114 B CN101694114 B CN 101694114B
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zhejiang
modified
wet
styrene
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CN101694114A (en
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伍盛江
卢桂才
朱方伍
郭文雄
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广西金雨伞防水装饰有限公司
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Abstract

The present invention discloses a wet-laying and pre-laying waterproof roll which is made by the following processes: dipping and coating a modified asphalt compound on a blank body, controlling the thickness and sizing, coating a membrane, rolling, and the like, wherein the modified asphalt compound contains modified asphalt, a plasticizer, an antioxidant, a functional auxiliary agent and a filling gent. A preparation method of the waterproof roll comprises the following steps: putting substrate asphalt in a reaction pot, adding a thickening agent, irregular polyethylene and styrene-polybutadiene-styrene segmented copolymer, evenly mixing, heating and stirring for 1.5-2 hours, then reducing the temperature to about 180 DEG C, adding padding, the plasticizer, the antioxidant and the functional auxiliary agent into the reaction pot and stirring for 0.5-1h, evenly mixing and modifying, then conveying into a colloid mill for repeatedly milling to the material, then dipping and coating the modified asphalt on the blank body, controlling the thickness, sizing, coating the membrane and rolling, and finally preparing the waterproof roll which has excellent performance and can carry out chemical bonding and physical crosslinking synergism with the concrete, namely, a CPS waterproof roll for short.

Description

与混凝土进行化学交联和物理卯榫协同粘结的防水卷材 Physical and chemical crosslinking mortise and tenon synergistic bonded waterproofing concrete

技术领域 FIELD

[0001] 本发明专利涉及一种防水卷材,特别是能与混凝土进行物理吸附卯榫作用还同时起到化学交联作用并牢固粘结在混凝土上的湿铺预铺防水卷材及其生产方法。 [0001] The present invention patent relates to a waterproof membrane, particularly concrete physical adsorption can be performed with mortise and tenon also play the role of further chemical cross-linking in the wet and firmly adhered on the plated pre-coated concrete waterproofing membrane and its production method.

背景技术 Background technique

[0002] 常见的防水材料主要有涂料类和卷材类以及密封膏、止水条类,防水涂料用量较多的是聚氨酯、氯丁胶乳、聚合物水泥防水涂料,它们都有涂料使用的通病:如施工厚度不易控制;与基面牢固结合,易受基面裂缝而产生“0”伸缩开裂;大部分涂料不易在长期受水浸的环境中使用,也不易在阳光暴露的地方使用;特别是像聚氨酯类固化使用的防水涂料,对施工环境要求较高,如基面要求平整、干净、干燥,且要多次涂刷,施工周期长,在施工过程中易产生溶剂,污染环境。 [0002] Common materials are water-based and web-based coating and sealant, sealing strip type, coating amount is more waterproof polyurethane, neoprene latex, polymer cement waterproof coating, they have a common problem in the use of coatings : the construction of the thickness is difficult to control; firmly bonded to the base surface, the base surface is susceptible to cracks generated "0" telescoping cracking; most difficult to use in long coating flooding environment, sun exposure is less likely to be used in place; especially like waterproof coating curing polyurethanes used in the construction of high environmental requirements, such as the base surface smooth, clean, dry, brushing several times and long construction period, the solvent is easy to produce during the construction process, polluting the environment. 而卷材类的防水材料使用过程中最大的障碍是与基面的粘结问题,如价格昂贵性能优异的三元乙丙橡胶防水卷材是通过涂胶与基面粘结,胶黏剂的使用寿命较短,造成卷材与基面粘结失效产生串水、漏水等现象;SBS、APP改性浙青类防水卷材采用热熔施工与基层粘结,由于火焰温度不均勻,难以保证卷材与基面的粘结效果,而且热熔施工易受环境影响,基面潮湿或粉尘过多,会使粘结失效,产生串水现象;普通湿铺/预铺卷材通过水泥砂浆可以与基面进行粘结,形成满粘结构,但这种满粘结构是由物理吸附和卯榫作用形成,粘接可逆,当受到环境湿热循环、水汽溶胀、基层运动等因素影响时,满粘也会逐步失效,最终还是会产生串水漏水问题;复合织物的高分子片材采用水泥砂浆粘结,在粘结的过程中水泥砂浆难以浸透片材表面织物,且织物易受水泥 The web-based waterproofing materials are the biggest obstacle during the bonding with the base surface of the problems, such as expensive high performance EPDM waterproofing membrane and the base surface by adhesive bonding, adhesive short life, resulting in bond failure membrane and the base surface to produce a string of a water leakage phenomenon; SBS, APP modified waterproofing membrane Zhejiang cyan hot melt construction adhesive and the base layer, since the flame temperature unevenness, difficult to ensure web and effect bonding base surface, and environmentally sensitive hot-melt construction, the base surface too moist or dust, cause cohesive failure, resulting in the phenomenon string of water; ordinary wet-laid / pre-coated web through the cement mortar can be with the base surface bond is formed fully adhered structure, but this structure is formed by a full bonding and physical adsorption mortise and tenon action, reversible adhesive, when subjected to heat cycle environmental factors, moisture swelling, primary impact exercise, full bonding will gradually fail, it will eventually produce water leakage problem string; polymer sheet composite fabric bonded using cement mortar, the cement mortar during the bonding surface of the sheet hardly penetrate the fabric, and the fabric susceptible to cement 砂浆的腐蚀使片材脱离基层,失去防水功效。 Corrosion mortar the sheet from the grass roots, lost waterproof effect. 涂料和普通卷材的这些在应用过程中产生的缺陷,是有材料自身结构特点决定的,是它们固有的缺陷,是难以解决的。 These defects in the coating during application and general web, is determined by the structural characteristics of the material itself, is their inherent defects, it is difficult to solve. 近年来一些公开文献报道了一些能够改进粘结性能的卷材,例如: Some recent literature discloses a number of web bonding properties can be improved, for example:

[0003] 1、中国专利申请号:01227536. 0名称:反铺式防水卷材,公开(公告)号: CN2487802申请(专利权)人:王慧蓉,地址:台湾台北市龙江路243巷7号2楼,发明(设计)人:王慧蓉,进入国家日期:2000. 01. 01,摘要:一种反铺式防水卷材,主要包括一高密度聚乙烯膜层及一离型纸,其特征是该硬质的高密度聚乙烯膜层上复合一受压可自动黏合的树脂黏着层,在树脂黏着层上复合一保护涂料的覆盖层,于覆盖层上设有具保护作用的离型纸,施工时只要将硬质高密度聚乙烯膜层反贴铺设在单面模外缘或地坪外缘上,在撕开离型纸、并浇筑混凝土后,树脂黏着层即因与混凝土产生化学反应作用,而强力附着于结构混凝土面,使水气无孔隙可渗入,而达到防水功效。 [0003] 1, Chinese patent application number: 012275360 Name: Anti Shop waterproof membrane, Publication No. (Announcement): CN2487802 application (patent) by: Wang Huirong, Address: Longjiang Road, Taipei, Taiwan 243, Lane 2F, the invention (design) human: Wang Huirong into Country date: 01.01 2000, Abstract: an anti-shop-type waterproofing membrane, mainly comprising a high density polyethylene and a release paper layer, wherein the rigid high density polyethylene resin film composite adhesive layer may be an automatic pressure bonding, the composite adhesive layer on the resin cover layer of a protective coating, a cover layer provided on the release paper having a protective effect, As long as the construction of the hard high-density polyethylene film is laid on one side of the anti-mold attached to the outer edge or outer edge of the floor, after tearing the release paper, and pouring the concrete, i.e. the resin adhesive layer of concrete due to chemical reaction with role, and strongly adhered to the surface of the concrete structure, so that moisture can penetrate into the non-porous, waterproof effect is achieved.

[0004] 2、中国专利申请号:200610036336. 9,名称:一种自粘胶、高分子自粘防水卷材及制造工艺,公开(公告)号:CN1900207,申请(专利权)人:秦雪辰,地址:广东省珠海市吉大海湾花园8幢6C发明(设计)人:秦雪辰,摘要:一种自粘胶,该自粘胶包括重交浙青、 SBS橡胶、增粘剂,其特征是还包括SIS橡胶、顺酐、三氯化铝、秋兰姆、氯化镁、硅酸钙。 [0004] 2, Chinese patent application number: 2006100363369, Title: A self-adhesive, self-adhesive polymer waterproofing membrane and manufacturing processes, Publication No. (Kokoku): CN1900207, Application (patent) by: Qinxue Chen, address: Zhuhai City, Guangdong Province Ji Dahai Bay garden 8 6C invention (design) person: Qinxue Chen, Abstract: a self-adhesive, self-adhesive includes the heavy traffic Zhejiang green, SBS rubber, a thickener, which is also included SIS rubber, maleic anhydride, aluminum trichloride, thiurams, magnesium, calcium silicate. 该自粘胶采用化学反应改性浙青技术路线进行配制,配胶温度为150°C〜170°C,污染少,能耗少。 The self-adhesive chemical reaction modifier Zhejiang Green technical route formulated with plastic temperature of 150 ° C~170 ° C, less pollution and less energy consumption. 不仅会很好地与经等离子体表面改性的高分子材料粘结,还可以与湿混凝土粘结牢固。 Not only a good bond with the polymer material is plasma-surface modified, may also be firmly bonded with the wet concrete.

3该发明还公开了由该自粘胶制成的高分子自粘防水卷材及其制造工艺。 3 The invention also discloses a self-adhesive polymer and a process for waterproofing membrane made from the self-adhesive. 该种制造工艺使自粘胶与主体材料层粘结牢固,人为方法无法剥离。 The process of fabricating the self-adhesive material layer firmly bonded body, artificial means can not be peeled off.

[0005] 上述公开文献1报道的防水卷材在某些方面改进了与湿混凝土粘结性能,也提到了树脂黏着层即因与混凝土产生化学反应作用达到防水功效,但是使用高密度聚乙烯膜层卷材受到高温时强度低;文献2报道的自粘胶、高分子自粘防水卷材的组合物与混凝土基面粘结力不够大,粘结力不持久,操作不容易掌握。 [0005] The publication reports a waterproofing membrane in certain aspects of the improved wet performance and the adhesion of concrete, also mentioned resin layer, i.e. an adhesive effect due to chemical reaction with the effect to waterproof concrete, but the use of high-density polyethylene film when the strength of the low temperature by the coil layer; self-adhesive reported in Document 2, self-adhesive waterproofing membrane polymer composition the concrete base with a large enough surface adhesion, adhesion is not lasting, operation is not easy to grasp.

发明内容 SUMMARY

[0006] 本发明的目的是提供能够克服现有技术的不足之处、研究一种除了与现浇混凝土发生物理作用、粘和性能好、还可以在现浇混凝土发生化学反应的湿铺预铺防水卷材及其生产方法,使它能彻底解决与基层粘结的问题和湿面施工的难题。 [0006] The object of the present invention is to provide a can overcome the shortcomings of the prior art, in addition to Research on a physical action with the concrete, and good adhesion properties, chemical reactions can also occur in-situ concrete pre-coated wet-laid waterproofing membrane and its production methods, we can solve the problem with the wet surface and grass-roots bonded construction problems.

[0007] 本发明的技术方案是这样实现的: [0007] aspect of the present invention is implemented as follows:

[0008] 本发明的湿铺预铺防水卷材是将改性浙青复合物在胎体上进行浸涂、控厚定型、 覆膜、收卷等工艺制成的,其改性浙青复合物的成分和重量份数含量如下: [0008] The present invention is a wet laying the pre-coated waterproofing membrane is made of modified Zhejiang green complex was dip-coated on the carcass, thickness control setting, coating, rolling and other processes, which modified composite green Zhejiang parts by weight of the composition and the content were as follows:

[0009] 改性浙青 30-50 份;[0010] 增塑剂 1-3 份;[0011] 抗氧化剂 0. 2-1 份;[0012] 功能性助剂 0. 5-3 份;[0013] 填充剂 30-70 份。 [0009] Modified Green 30-50 parts by Zhejiang; [0010] 1-3 parts of a plasticizer; [0011] 0.2-1.5 parts of antioxidant; [0012] 0. 5-3 parts by functional additives; [ 0013] 30 to 70 parts filler. [0014] 以上所述的改性浙青是浙青加入增粘剂、无规则聚丙烯(APP)和苯乙烯-丁二 烯-苯乙烯嵌段共聚物(SBQ进行改性得到,所述的增粘剂是普通橡胶粉或丁苯橡胶(SBR) [0014] The above-described modification is Zhejiang Zhejiang Green Green tackifier is added, random polypropylene (APP) and styrene - butadiene - styrene block copolymer (SBQ modified to obtain, according to tackifiers ordinary styrene-butadiene rubber or rubber powder (SBR)

在180-230°C的高温下炼制得到,增粘剂的重量百分含量占改性浙青总重量的2-5% ;无规则聚丙烯(APP)的重量百分含量占改性浙青总重量的2-5% ;苯乙烯-丁二烯-苯乙烯嵌段共聚物(SBS)的重量百分含量占改性浙青总重量的2-10%。 Refining to obtain a high temperature 180-230 ° C at a weight percentage of 2-5% of the tackifier account the total weight of the modified cyan Zhejiang; random polypropylene (APP) modified to account for the weight percentage of Zhejiang 2-5% of the total weight of the green; styrene - butadiene - styrene block copolymer (SBS) is 2 to 10% weight percent of the total weight of the modified cyan Zhejiang.

[0015] 以上所述的增塑剂是环烷酸丁酯。 [0015] The above plasticizers are naphthenic acid ester.

[0016] 以上所述的抗氧化剂是亚磷酸三(2,4-二叔丁基苯基)酯。 [0016] The above-described antioxidant is tris (2,4-di-t-butylphenyl) phosphite.

[0017] 以上所述的功能性助剂是聚甲基乙氧基硅烷或聚萘甲醛磺酸钠盐,或者两者的混合物。 [0017] The above-described functional additives, the mixture of the two or polymethyl silane or polyethylene naphthalene formaldehyde sodium salt.

[0018] 以上所述的填充剂是重钙粉、滑石粉或石棉粉。 [0018] The above-described filler is heavy calcium, talc or asbestos powder.

[0019] 所述的胎体与现有卷材的胎体相同,如化学纤维织品、天然植物织品或复合纤维寸。 [0019] The same carcass and carcass conventional web, such as chemical fiber fabric, natural plant fiber fabrics or composite inch.

[0020] 本发明湿铺/预铺防水卷材的生产方法是: [0020] The present invention is wet-laid / pre-production method of waterproofing membrane is laid:

[0021] 将基质浙青置于反应罐内,加入增粘剂、无规则聚乙烯(APP)和苯乙烯-丁二烯-苯乙烯嵌段共聚物(SBS),混和均勻,再把温度升到200-210°C,搅拌1. 5_2h,温度降至180°C左右,再将填料、增塑剂、抗氧化剂、功能助剂加到反应罐,搅拌0. 5-lh,进行充分混合改性,然后输送到胶体磨,对物料进行反复研磨,再将改性浙青复合物在胎体上进行浸涂、 控厚定型、覆膜、收卷等工艺,便制备成性能优异的CPS湿铺/预铺防水卷材。 [0021] The substrate placed in a reaction tank Zhejiang Green, was added a tackifier, a polyethylene random (APP) and styrene - butadiene - styrene block copolymer (SBS), mixed uniformly, then the temperature rise to 200-210 ° C, stirred for 1. 5_2h, the temperature dropped to 180 ° C, and then a filler, a plasticizer, an antioxidant, a functional agent added to the reaction tank, stirred for 0. 5-lh, thoroughly mixed change resistance, and then conveyed to a colloid mill, the material for grinding is repeated, then the complex was modified Zhejiang green dip-coated on the carcass, thickness control setting, coating, rolling and other processes, it is excellent in the performance of CPS prepared wet Shop / waterproofing membrane pre-shop.

[0022] 本发明与现有浙青卷材相比,其突出的实质性特点和显著的进步是: [0022] Compared with the prior Zhejiang green sheet, which prominent substantive features and notable progress is:

[0023] 1、采用特殊的改性剂使得改性浙青具有较好的稳定性和耐久性,不容易开裂,延长使用寿命,成本较低。 [0023] 1, using a special modifier such modified blue Zhejiang has good stability and durability, is not prone to cracking, long life, low cost. 改性剂内的SBS苯乙烯类热塑性弹性体是成本最低、应用较广的一个品种,是以苯乙烯、丁二烯为单体的三嵌段共聚物,兼有塑料和橡胶的特性,被称为“第三代合成橡胶”,与丁苯橡胶相似,SBS可以和水、弱酸、碱等接触,具有优良的拉伸强度,表面摩擦系数大,低温性能好,电性能优良,加工性能好等特性,成为目前消费量最大的热塑性弹性体。 SBS styrene-based thermoplastic elastomer modifier is within the lowest cost, a wide variety of applications, based on styrene, butadiene monomer, a triblock copolymer, properties of both plastics and rubber, are called "third generation synthetic rubber", and similar styrene-butadiene rubber, SBS can be contacted with water, a weak acid, an alkali, etc., having excellent tensile strength, high coefficient of surface friction, low temperature performance, excellent electrical properties, good processing performance and other characteristics, become the largest consumer of thermoplastic elastomer.

[0024] 2、采用抗氧化剂亚磷酸三(2,4_ 二叔丁基苯基)酯以及功能性助剂:聚甲基乙氧基硅烷或聚萘甲醛磺酸钠盐,或者两者的混合物,能够与现浇混凝土发生化学反应,两者之间在催化体系作用下形成化学键,使卷材牢固地与混凝土或水泥界面结合;同时水泥在固化过程中,消耗大量的水,导致在水泥与自粘卷材间形成局部封闭的体系中产生负压,以及水泥的固化放热,促进自粘胶的蠕变,使其深入到混凝土的毛细管或孔隙中,形成物理卯榫作用,达到可靠的粘结效果;自粘胶层渗透到混凝土的毛细管或孔隙中的同时,增大了自粘胶与混凝土接触的面积,促进自粘胶层与混凝土形成更多的离子键,而起到“化学交联-物理卯榫的协同效应”(Chemical Bonding and Physical Crosslinking Synergism,简称CPS),使基面与自粘层形成“互穿网络式”界面结构,从而使 [0024] 2, using an antioxidant tris (2,4_ di-tert-butylphenyl) phosphite, and functional additives: or a mixture of the two silane or polymethyl polyethylene naphthalene formaldehyde sulfonate sodium salt , capable of chemically reacting with the concrete, form a chemical bond between the catalytic action of the system, so that the web is firmly bonded to the concrete or cement interface; while the cement during curing, consume large amounts of water, resulting in cement partially closed system is formed between the self-adhesive web generates negative pressure, and heat curing cement, to promote self-adhesive creep so deep into the pores or capillaries of concrete, mortise and tenon form a physical effect, to achieve a reliable bonding effect; self-adhesive or glue to penetrate into the capillary pores of the concrete, while increasing the area in contact with the concrete self-adhesive, self-adhesive adhesive layer and promote more concrete form ionic bonds, and act as a "chemical crosslinking - of the synergistic effect of physical mortise and tenon "(Chemical Bonding and physical crosslinking Synergism, referred to the CPS), the base surface of the adhesive layer is formed" interpenetrating network "type interface structure, such that 接更为牢靠,使它能彻底解决与基层粘结的问题和湿面施工的难题。 Then more firmly, so that it can solve the problem with the primary bond and wet surface construction problems.

[0025] 以下我们阐述本发明湿铺/预铺防水卷材与水泥或混凝土的反应和粘结机理: [0025] Here we describe the present invention, wet-laid / bonding mechanism of reaction and the pre-coated with waterproofing cement or concrete:

[0026] 带改性胶料层的卷材在进行湿铺或预铺时与水泥砂浆或混凝土的粘结的机理主要包含两个方面: [0026] The modified adhesive tape web layers during the wet-laid pre-coated with the mechanism of adhesion or cement mortar or concrete comprising two main aspects:

[0027] 1.卷材与水泥浆料发生化学反应形成交联结构而产生粘结。 [0027] 1. The membrane and bonded to produce a cement slurry to form a crosslinked structure of chemical reaction.

[0028] 当卷材铺贴于水泥浆料的表面后,水泥的主要成分硅酸三钙在常温下开始水化反应生成水化硅酸钙(CSH凝胶)和氢氧化钙,化学反应方程式如下: [0028] When the Stones roll on the surface of cement slurry, the main component of the cement hydration starts tricalcium reaction at room temperature calcium silicate hydrate (CSH gel) and calcium hydroxide, a chemical reaction equation as follows:

[0029] 3Ca0 · Si02+nH20 = xCaO · Si02 · yH20+ (3_x) Ca (OH) 2 [0029] 3Ca0 · Si02 + nH20 = xCaO · Si02 · yH20 + (3_x) Ca (OH) 2

[0030] 在水泥水化反应形成的CSH凝胶中存在Si-OH基团,与水泥浆料接触的下表面胶层中含有聚甲基乙氧基硅烷,它与水接触后发生水解反应,生成具有反应活性的羟基(带* 的基团表示可以反应的活性羟基), [0030] in the presence of CSH gel formation cement hydration reaction Si-OH group, the lower surface of the adhesive layer in contact with the cement slurry containing poly methyl silane, a hydrolysis reaction which occurs upon contact with water, generate (with * represents a group reactive hydroxyl groups can be reacted) reaction of the hydroxyl active,

[0031] [0031]

Figure CN101694114BD00051

[0032] 此活性羟基与CSH凝胶中有Si-OH基团中的羟基发生反应,生成醚键,使水化硅酸钙凝胶与卷材表层形成化学键而牢固链接在一起。 [0032] This reactive hydroxyl CSH gel with Si-OH groups have the hydroxyl group reacts with an ether bond, that the calcium silicate hydrate gel and the surface layer web are firmly linked together forming a chemical bond. 这两种基团发生的化学反应如下(圆圈中的部分表示与CSH凝胶形成的醚键): Both groups underwent the following chemical reaction (partial circle represents an ether bond is formed with CSH gel):

Figure CN101694114BD00052

[0034] 在水泥固化形成水化硅酸钙的过程中,卷材中的另一种改性剂聚萘甲醛磺酸钠盐,可以通过极性基团-SO/—与Ca2+键结,而Ca2+的另一端与-O-Si-O-键连接,最后形成- Process [0034] The calcium silicate hydrate formed in the cementation, another web modifier poly naphthalene formaldehyde sulfonate sodium salt, can be a polar group -SO / - Ca2 + and bonded, and the other end of Ca2 + -O-Si-O- linkages, the final form -

个离子型交联结构。 An ionic crosslinked structure.

[0035] [0035]

Figure CN101694114BD00061

[0036] 胶料中由于存在功能活性助剂,它们的活性基团能与水泥在水化过程中形成交联,使卷材与水泥浆料或混凝土牢固粘结,这种粘结作用非常牢固,受卷材的使用环境因素较小,因而它能较持久地粘结在基面上,并与基面形成满粘结构,胶料中的两种改性剂因而与水化硅酸钙键合形成的交联结构。 [0036] The rubber compound due to the presence functionally active additives, their active group capable of forming a cement during hydration crosslinking the membrane with a cement slurry or concrete firm adhesion, this adhesive effect is very strong , environmental factors by using a smaller coil, and thus can more permanently bonded to the substrate surface, and forming a fully adhered to the base surface of the structure, two modifiers rubber compound and thus the key calcium silicate hydrate to form a crosslinked structure.

[0037] 2.卷材胶料层在水泥固化过程中产生物理吸附和卯榫作用而与基面形成粘结。 [0037] 2. A rubber membrane layers produce physical adsorption and mortise and tenon role in the cement during the curing and forming a bond with the base surface.

[0038] 水泥浆料遇水发生水化反应,生成的水化产物聚集在水泥颗粒的表面形成凝聚薄膜。 [0038] The cementitious slurry water hydration reaction occurs to produce the hydration products of cement particles gathered on the surface of a thin film form agglomerates. 表面形成可塑性的凝胶薄膜式水泥浆料,保证其具有良好的流动性,能填补界面层微观上凹凸不平的缺陷,通过挤压使卷材和水泥浆料之间形成微观上的完全润湿。 Gel films formed on the surface of the plasticity of cement slurry to ensure that it has good fluidity, to fill irregularities on the interface microscopic defects formed by extrusion on the microstructure completely wetted web between a cement slurry and . 胶层和水泥浆料充分润湿后,使胶层表面张力与水泥浆料表面张力接近,从而使两者紧密结合,产生物理吸附作用。 After the glue and a cement slurry sufficiently wetted, the surface tension of the tension rubber layer closer to the surface a cement slurry, such that the two are closely combined to produce physical adsorption.

[0039] 与此同时,水分不断深入凝胶薄膜层进行化学反应,使薄膜层向内增厚;通过薄膜层向外扩散的水化物聚集在膜层外侧使膜层向外增厚。 [0039] Meanwhile, the water gel thin layer deepening chemically react, thickening inwards the thin film layer; diffusion through the thin film layer on the outside of outwardly hydrate aggregates make the film thicker layer outward. 由于水分渗入膜层内部的速度大于水化物向外扩散的速度,因而产生渗透压力,膜层内部水化物的饱和溶液向外突出造成膜层破裂。 Since the water penetration speed greater than the speed of the inner film layer hydrate outward diffusion, resulting in osmotic pressure, a saturated solution of film inside outwardly projecting hydrate causing film breakage. 膜层的破裂使水化物与水迅速而广泛地接触,反应又加速,生成较多量的水化硅酸盐凝胶、氢氧化钙和水化硫酸钙等水化物,它们之间相互接触生长到一定程度后,浆体会完全失去可塑性,建立起相互缠绕的网状结构,并在网状结构内不断产生水化物,之后浆体逐渐产生强度而进入硬化形成硬化水泥石。 The film rupture hydrate with water so quickly and extensive contact, accelerate the reaction and to produce a greater amount of hydrated silicate gel, calcium hydroxide and hydrated calcium sulfate hydrate, grown to their mutual contact between after some extent, slurry experience complete loss of plasticity, entangled network structure established, and continue to produce the hydrate in the network structure, the strength after the slurry has the effect of hardening is formed into hardened cement paste. 在这个过程中,水泥固化消耗大量的水,导致在水泥与自粘卷材间形成局部封闭的体系中产生负压,以及水泥的固化放热,促进自粘胶的蠕变,使其深入到混凝土的毛细管或孔隙中,形成物理卯榫结构,达到可靠的粘结效果;自粘胶层渗透到混凝土的毛细管或孔隙中的同时,增大了自粘胶与混凝土接触的面积,促进自粘胶层与混凝土形成的卯榫结构上生成更多的化学键,而起到“化学交联-物理卯榫的协同效应”,使基面与自粘层形成“互穿网络式”界面结构,从而达到结合紧密、牢固、不可逆的“皮肤式”粘结效果技术。 In this process, a large amount of water consumed by cement solidification, resulting in a partially closed system is formed between the cement and the adhesive web generates negative pressure, and heat curing cement, to promote self-adhesive creep so deep into capillaries or pores of the concrete, the physical form mortise and tenon structure, to achieve a reliable bonding effect; self-adhesive glue penetration into the capillary at the same time or in the pores of the concrete, increasing the self-adhesive area in contact with the concrete, self-adhesive promoting mortise and tenon adhesive layer and the concrete structure is formed on more chemically generated, and act as a "chemical crosslinking - physical mortise and tenon synergistic effect", the base surface of the adhesive layer is formed "interpenetrating network" type interface structure, thereby reach linked closely together, firm, irreversible "skin-style" effect bonding technology. 彻底解决改性浙青卷材与基面粘结力不够大,粘结力不持久,易受环境影响的问题,实现了卷材与基面形成粘结不可逆、不受损一体式的防水结构层。 Zhejiang Green solve the modified membrane and the base surface bond strength is not big enough, not long-lasting adhesion problems susceptible to environmental impact, achieve the membrane and the base surface to form an irreversible bond, no damage to the structure of a one-piece waterproof Floor.

[0040] 与现有技术相比,本发明除了具有自粘·普通湿铺/预铺卷材“蠕变抗裂性、自愈合性、湿粘接性、防串水性、施工便宜性”等优点外,更凸显了它在混凝土界面粘结方面独特的优势: [0040] Compared with the prior art, the present invention is in addition self-normal wet-laid / pre-coated web "creep crack resistance, self-healing property, wet adhesion, water-based anti-string, the construction of cheaper" and so on to the advantages, but also it highlights its unique advantages in terms of concrete interface bond:

[0041] ①粘接力更大:它不仅有物理吸附和卯榫作用,而且在深入基层的卯榫部位产生化学键合作用,使卯榫和化学交联两种作用协同进行,让粘结更为牢靠。 [0041] ① greater adhesive strength: it not only has a mortise and tenon and action of physical adsorption, and chemical bonds in cooperation with the mortise and tenon parts grassroots the mortise and tenon and chemical crosslinking two functions in tandem, so that more adhesive It is reliable. 即使卷材表层发生破坏,粘结基面的界面也不会受损而产生串水漏水现象。 Even if the web surface to produce a string of water leakage phenomenon destruction of the interfacial bonding base surface is not damaged. [0042] ②粘结不可逆:由于相关部位存在化学键合作用,这种粘结是不可逆的。 [0042] ② bonding irreversible: the presence of chemically-related site hydration, this bond is not reversible. 要想取走或剥离防水层,是不可能做到的。 To release or removal of the waterproof layer, it is impossible. 除非破坏卷材,铲平卷材与基层粘结的界面。 Without breaking the web, leveled with the primary coil bonded interface.

[0043] ③粘结刚柔相济:通过物理吸附和卯榫作用形成柔性粘结,以消除由于基层变化产生的应力,而通过化学键产生的刚性粘结,使界面层有足够的粘结强度,能有效抵抗外界应力的破坏。 [0043] ③ bonded Gangrouxiangji: formed by physical adsorption and mortise and tenon flexible binding effect, since the base layer to relieve stress variation produced by a rigid adhesive and chemical bond, so that the interface layer has sufficient bonding strength can be effectively resistance to stress damage to the outside world.

[0044] ④粘接更持久:物理吸附和卯榫往往在溶剂、水汽或基面热胀冷缩的作用下,产生解吸附和脱卯榫的过程,从而使粘结力下降,失去永久封闭的防水效果。 [0044] ④ more durable adhesive: physical adsorption and mortise and tenon often a solvent, moisture, or thermal expansion and contraction of the base surface effect, resulting in desorption and desorption process mortise and tenon, so that the adhesion, loss of permanent closure waterproof effect. 而通过“CPS”技术产生的粘结,由于在卯榫部位存在化学键合作用,不受湿热循环、水汽溶胀、基层运动影响, 而持久地产生粘附效果,使卷材的防水寿命与主体层相同。 Are bonded through the "CPS" techniques, since the presence of a bond in cooperation with mortise and tenon parts, without heat cycle, water vapor swollen, on the influence of the movement, adhesion and lasting effect is generated, so that the life of the main body waterproof layer web the same.

[0045] ⑤接边更可靠:湿铺时可以直接采用湿接边,施工便捷,接边牢固。 [0045] ⑤ more reliable Edge: Edge direct wet wet laid, convenient construction, Edge solid.

[0046] 本新发明产品可广泛应用于建筑物的屋面、地下室等防水,强度高、耐久,特别适用于隧道、人防工程的防水。 [0046] The present invention is a new product can be widely used in building the roof, basement waterproofing, high strength, durable, especially for tunnels, civil air defense projects waterproof.

具体实施方式 Detailed ways

[0047] 实施例1 [0047] Example 1

[0048] 将3000公斤基质浙青置于反应罐内,加入200公斤增粘剂普通橡胶粉、200公斤无规则聚丙烯(APP)和300公斤苯乙烯-丁二烯-苯乙烯嵌段共聚物(SBS),混和均勻,再把温度升到200-210°C,搅拌1. 5-池,接着把温度降到180°C左右,再将3000公斤填料重碳酸钙粉、100公斤增塑剂环烷酸丁酯、50公斤抗氧化剂亚磷酸三(2,4_ 二叔丁基苯基)酯、60 公斤功能助剂聚甲基乙氧基硅烷加到反应罐,搅拌0. 5-lh,进行充分混合改性,然后输送到胶体磨,对物料进行反复研磨,再将改性浙青复合物在聚酯胎体上进行浸涂、控厚定型、覆膜、收卷等工艺,便制备成性能优异的CPS湿铺/预铺防水卷材。 [0048] The 3000 kg green substrate placed in a reaction tank Zhejiang, was added 200 kg tackifier ordinary rubber powder, 200 kg random polypropylene (APP) and 300 kg styrene - butadiene - styrene block copolymer (SBS), mixed uniformly, then temperature was raised to 200-210 ° C, stirred for 1 5- pool, then the temperature dropped to about 180 ° C, then calcium carbonate filler weighs 3000 kg, 100 kg plasticizer naphthenic acid butyl ester, 50 kg antioxidant tris (2,4_ di-tert-butylphenyl) phosphite, 60 kg poly-functional silane additives added to the reaction tank, stirred for 0. 5-lh, modified sufficiently mixed, and then transported to a colloid mill, the material for grinding is repeated, then the complex was modified Zhejiang green dip-coated on a polyester carcass shaping control thick, coating, rolling and other processes, it was prepared excellent properties as wet-laid CPS / pre-coated waterproofing membrane.

[0049] 实施例2 [0049] Example 2

[0050] 将5000公斤基质浙青置于反应罐内,加入150公斤增粘剂丁苯橡胶和普通橡胶粉的混合物、300公斤无规则聚丙烯(APP)和500公斤苯乙烯-丁二烯-苯乙烯嵌段共聚物(SBQ,混和均勻,再把温度升到200-210°C,搅拌1. 5-2h,接着把温度降到180°C左右,再将2000公斤填料重碳酸钙粉和2000公斤滑石粉、300公斤增塑剂环烷酸丁酯、80公斤抗氧化剂亚磷酸三(2,4_ 二叔丁基苯基)酯、80公斤功能助剂聚萘甲醛磺酸钠盐加到反应罐, 搅拌0. 5-lh,进行充分混合改性,然后输送到胶体磨,对物料进行反复研磨,再将改性浙青复合物在玻璃纤维胎体上进行浸涂、控厚定型、覆膜、收卷等工艺,便制备成性能优异的CPS 湿铺/预铺防水卷材。 [0050] The 5000 kg green substrate placed in a reaction tank Zhejiang, the mixture was added 150 kg styrene and general rubber tackifier powder, 300 kg random polypropylene (APP) and 500 kg styrene - butadiene - styrene block copolymer (SBQ, mixed uniformly, then temperature was raised to 200-210 ° C, stirred for 1. 5-2h, then the temperature dropped to about 180 ° C, and then 2,000 kg weight calcium carbonate filler and 2000 kg talc, 300 kg of butyl naphthenate, plasticizers, antioxidants, 80 kg tris (2,4_ di-tert-butylphenyl) phosphite, 80 kg poly functional agent added to the sodium salt of naphthalene formaldehyde the reaction pot was stirred for 0. 5-lh, mixed thoroughly modified, and then transported to a colloid mill, the material for grinding is repeated, then the complex was modified Zhejiang green dip-coated on a glass fiber matrix, thickness control setting, coating, rolling and other processes, prepare a wet-laid high performance of CPS / pre-coated waterproofing membrane.

[0051] 实施例3 [0051] Example 3

[0052] 将2000公斤基质浙青置于反应罐内,加入100公斤增粘剂普通橡胶粉、150公斤无规则聚丙烯(APP)和200公斤苯乙烯-丁二烯-苯乙烯嵌段共聚物(SBS),混和均勻,再把温度升到200-210°C,搅拌1. 5-池,接着把温度降到180°C左右,再将1000公斤填料重碳酸钙粉和1000公斤石棉粉、200公斤增塑剂环烷酸丁酯、50公斤抗氧化剂亚磷酸三(2,4- 二叔丁基苯基)酯、70公斤功能助剂聚萘甲醛磺酸钠盐加到反应罐,搅拌0. 5-lh,进行充分混合改性,然后输送到胶体磨,对物料进行反复研磨,再将改性浙青复合物在复合纤维胎体上进行浸涂、控厚定型、覆膜、收卷等工艺,便制备成性能优异的CPS湿铺/预铺防水卷材。 [0052] 2000 kg of Zhejiang green substrate placed in a reaction tank, 100 kg was added tackifier ordinary rubber powder, 150 kg random polypropylene (APP) and 200 kg styrene - butadiene - styrene block copolymer (SBS), mixed uniformly, then temperature was raised to 200-210 ° C, stirred for 1 5- pool, then the temperature dropped to about 180 ° C, then calcium carbonate filler weighs 1,000 kg and 1,000 kg asbestos powder, 200 kg naphthenic acid ester plasticizers, antioxidants, 50 kg tris (2,4-di-t-butylphenyl) phosphite, poly functional agent 70 kg of naphthalene formaldehyde sulfonate sodium salt was added to the reaction vessel, stirred 0. 5-lh, mixed thoroughly modified, and then transported to a colloid mill, the material for grinding is repeated, and then modified Zhejiang green composite fiber was dip coated on the composite matrix, thickness control setting, coating, close the volume and other processes, prepare a wet-laid high performance of CPS / pre-coated waterproofing membrane. [0053] 实施例4 [0053] Example 4

[0054] 将4000公斤基质浙青置于反应罐内,加入400公斤增粘剂普通橡胶粉、300公斤无规则聚丙烯(APP)和200公斤苯乙烯-丁二烯-苯乙烯嵌段共聚物(SBS),混和均勻,再把温度升到200-210°C,搅拌1. 5-池,接着把温度降到180°C左右,再将3000公斤填料重碳酸钙粉、100公斤增塑剂环烷酸丁酯、50公斤抗氧化剂亚磷酸三(2,4_ 二叔丁基苯基)酯、 30公斤功能助剂聚甲基乙氧基硅烷和30公斤聚萘甲醛磺酸钠盐聚甲基乙氧基硅烷加到反应罐,搅拌0. 5-lh,进行充分混合改性,然后输送到胶体磨,对物料进行反复研磨,再将改性浙青复合物在聚酯胎体上进行浸涂、控厚定型、覆膜、收卷等工艺,便制备成性能优异的CPS 湿铺/预铺防水卷材。 [0054] The 4000 kg green substrate placed in a reaction tank Zhejiang, was added 400 kg tackifier ordinary rubber powder, 300 kg random polypropylene (APP) and 200 kg styrene - butadiene - styrene block copolymer (SBS), mixed uniformly, then temperature was raised to 200-210 ° C, stirred for 1 5- pool, then the temperature dropped to about 180 ° C, then calcium carbonate filler weighs 3000 kg, 100 kg plasticizer naphthenic acid butyl ester, 50 kg antioxidant tris (2,4_ di-tert-butylphenyl) phosphite, 30 kg poly-functional silane additives and 30 kg polyethylene naphthalene formaldehyde sulfonate sodium salt polymethine ethoxy silane was added to the reaction vessel, stirred for 0. 5-lh, mixed thoroughly modified, and then transported to a colloid mill, the material for grinding is repeated, and then modified in Zhejiang green composite polyester carcass dip coating, a thickness control setting, coating, rolling and other processes, prepare a wet-laid high performance of CPS / pre-coated waterproofing membrane.

[0055] 实施例5 [0055] Example 5

[0056] 将1500公斤基质浙青置于反应罐内,加入250公斤增粘剂丁苯橡胶、300公斤无规则聚丙烯(APP)和200公斤苯乙烯-丁二烯-苯乙烯嵌段共聚物(SBS),混和均勻,再把温度升到200-210°C,搅拌1. 5-池,接着把温度降到180°C左右,再将1000公斤填料重碳酸钙粉和500公斤石棉粉、150公斤增塑剂环烷酸丁酯、30公斤抗氧化剂亚磷酸三(2,4-二叔丁基苯基)酯、60公斤功能助剂聚萘甲醛磺酸钠盐加到反应罐,搅拌0. 5-lh,进行充分混合改性,然后输送到胶体磨,对物料进行反复研磨,再将改性浙青复合物在玻璃纤维胎体上进行浸涂、控厚定型、覆膜、收卷等工艺,便制备成性能优异的CPS湿铺/预铺防水卷材。 [0056] The 1500 kg green substrate placed in a reaction tank Zhejiang, styrene tackifier was added 250 kg, 300 kg random polypropylene (APP) and 200 kg styrene - butadiene - styrene block copolymer (SBS), mixed uniformly, then temperature was raised to 200-210 ° C, stirred for 1 5- pool, then the temperature dropped to about 180 ° C, then calcium carbonate filler weighs 1000 kg and 500 kg asbestos powder, 150 kg naphthenic acid ester plasticizers, antioxidants, 30 kg tris (2,4-di-t-butylphenyl) phosphite, poly functional agent 60 kg of naphthalene formaldehyde sulfonate sodium salt was added to the reaction vessel, stirred 0. 5-lh, mixed thoroughly modified, and then transported to a colloid mill, the material for grinding is repeated, then the complex was modified Zhejiang green dip-coated on a glass fiber matrix, thickness control setting, coating, close the volume and other processes, prepare a wet-laid high performance of CPS / pre-coated waterproofing membrane.

[0057] 本发明的力学、物理、化学性能检测指标(见以下表1和表2): [0057] The present invention mechanical, physical and chemical properties detection index (see Table 1 and Table 2):

[0058] 本发明产品经检查其抗撕裂性能为国家标准3倍以上,其他性能符合GB/23457-2009 要求。 [0058] Product inspection by the present invention which is less than the tear resistance of three times the national standard, other properties meet GB / 23457-2009 requirements.

[0059] 表1预铺防水卷材物理力学性能,(执行标准GB/23457-2009) [0059] Table 1 pre-coated waterproof membrane physical and mechanical properties, (performing standard GB / 23457-2009)

[0060] [0060]

Figure CN101694114BD00091

[0061] 表2,湿铺防水卷材物理力学性能(执行标准GB/23457-2009) [0061] Table 2, physical and mechanical properties of wet laid waterproof membrane (performing standard GB / 23457-2009)

[0062] [0062]

Figure CN101694114BD00101

Claims (5)

1. 一种湿铺预铺防水卷材,是将改性浙青复合物在胎体上进行浸涂、控厚定型、覆膜和收卷制成,其特征在于:该防水卷材是具有与混凝土进行化学交联及物理卯榫协同粘结的防水卷材,其改性浙青复合物的成分和重量份数含量如下:改性浙青30-50份; 增塑剂1-3份; 抗氧化剂0. 2-1份; 功能性助剂0.5-3份; 填充剂30-70份;所述的改性浙青是浙青加入增粘剂、无规则聚丙烯和苯乙烯-丁二烯-苯乙烯嵌段共聚物进行改性得到,所述的增粘剂是普通橡胶粉或丁苯橡胶在180-230°C的高温下炼制得到,增粘剂的重量百分含量占改性浙青总重量的2-5% ;无规则聚丙烯的重量百分含量占改性浙青总重量的2-5% ;苯乙烯-丁二烯-苯乙烯嵌段共聚物的重量百分含量占改性浙青总重量的2-10% ;所述的功能性助剂是聚甲基乙氧基硅烷或聚萘甲醛磺酸钠盐,或者两者的混合物。 A wet-laid pre-coated waterproofing membrane, Zhe is a modified blue complex was dip-coated on the carcass, the control is made thick shape, and winding the film, wherein: the waterproof membrane having physical and chemical crosslinking mortise and tenon synergistic bonded waterproofing concrete, and parts by weight component content of the modified composite green Zhejiang follows: 30-50 parts of a modified green Zhejiang; 1-3 parts plasticizer ; 0.2-1.5 parts of antioxidant; functional additives 0.5 to 3 parts; 30 to 70 parts filler; said modified Zhejiang Zhejiang green green is added a tackifier, random polypropylene and styrene - butyl diene - styrene block copolymer obtained by modifying said common tackifier is styrene-butadiene rubber or a rubber powder of refining at high temperature 180-230 ° C, the weight percent of the tackifier accounted 2-5% of the total weight of the modified cyan Zhejiang; weight percent random polypropylene accounts for 2-5% of the total weight of the modified cyan Zhejiang; styrene - butadiene - styrene block copolymer weight percentage content of 2 to 10% of the total weight of the modified Zhejiang cyan; the aid is functional, or a mixture of both polymethyl silane or polyethylene naphthalene formaldehyde sodium salt.
2.根据权利要求1所述的湿铺预铺防水卷材,其特征在于:所述的增塑剂是环烷酸丁 The wet-laid according to claim 1 pre-coated waterproofing membrane, wherein: said plasticizer is naphthenic butoxy
3.根据权利要求1所述的湿铺预铺防水卷材,其特征在于:所述的抗氧化剂是亚磷酸三(2,4-二叔丁基苯基)酯。 The wet-laid according to claim 1 pre-coated waterproofing membrane, wherein: the antioxidant is tris (2,4-di-t-butylphenyl) phosphite.
4.根据权利要求1所述的湿铺预铺防水卷材,其特征在于:所述的填充剂是重钙粉、滑石粉或石棉粉。 The wet-laid according to claim 1 pre-coated waterproofing membrane, wherein: said filler is heavy calcium, talc or asbestos powder.
5. 一种如权利要求1所述的湿铺预铺防水卷材的生产方法,其特征在于:将基质浙青置于反应罐内,加入增粘剂、无规则聚丙烯和苯乙烯-丁二烯-苯乙烯嵌段共聚物,混和均勻,再把温度升到200-210°C,搅拌1. 5-池,接着把温度降到180°C左右,再将填料、增塑剂、 抗氧化剂、功能助剂加到反应罐,搅拌0. 5-lh,进行充分混合改性,然后输送到胶体磨,对物料进行反复研磨,再将改性好的浙青在胎体上进行浸涂、控厚定型、覆膜和收卷,便制备成性能优异的CPS湿铺、预铺防水卷材。 5. A wet-laid according to claim 1 pre-coated waterproofing membrane production process, wherein: the substrate placed in a reaction tank cyan Zhejiang, the tackifier is added, random polypropylene and styrene - butyl diene - styrene block copolymer, uniformly mixed, then the temperature was raised to 200-210 ° C, stirred for 1 5- pool, then the temperature dropped to about 180 ° C, and then a filler, a plasticizer, an anti- oxidants, functional additives added to the reaction tank, stirred for 0. 5-lh, mixed thoroughly modified, and then transported to a colloid mill, the material for grinding is repeated, and then dip coated modified good green Zhejiang on the carcass , control thick shape, and winding the film, they prepared excellent properties CPS wet-laid, pre-shop waterproofing membrane.
CN 200910114456 2009-10-09 2009-10-09 Waterproof roll capable of carrying out chemical bonding and physical crosslinking synergism with concrete CN101694114B (en)

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