CN102977846A - Adhesive for plywood and method for preparing same - Google Patents

Adhesive for plywood and method for preparing same Download PDF

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CN102977846A
CN102977846A CN2012104804421A CN201210480442A CN102977846A CN 102977846 A CN102977846 A CN 102977846A CN 2012104804421 A CN2012104804421 A CN 2012104804421A CN 201210480442 A CN201210480442 A CN 201210480442A CN 102977846 A CN102977846 A CN 102977846A
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parts
adhesive
plywood
complexing agent
added
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CN2012104804421A
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CN102977846B (en
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张纪芝
张世锋
李建章
周文瑞
高强
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北京林业大学
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Abstract

The invention provides an adhesive for a plywood, prepared from the following raw materials according to parts by weight: 70-80 parts of dispersion medium, 20-35 parts of degreased soyabean protein powder, 0.5-3 parts of sodium carbonate, 2-6 parts of urea, 1-2 parts of complexing agent and 1-5 parts of enhancer. The adhesive provided by the invention has the characteristics that all the components have excellent mutual synergistic effect, a materials such as a metal salt is compounded with the soybean protein, and simultaneously, glutaraldehyde is taken as the enhancer so that the problem of poor water resistence of the common soybean protein adhesive is solved; therefore, the adhesive is capable of meeting the waterproof requirement of the adhesive for the plywood and guaranteeing the practical performance of the soybean protein adhesive; and the plywood prepared by using the adhesive provided by the invention is capable of meeting the international requirements of the class II plywood. Besides, the invention also provides a method for preparing the adhesive for the plywood; and the method is simple in process, convenient for operation and suitable for popularization and application.

Description

一种胶合板用胶粘剂及其制备方法技术领域[0001] 本发明涉及一种胶粘剂及其制备方法,特别涉及一种用于制备胶合板的胶粘剂及其制备方法。 Form of plywood [0001] The present invention relates to a method for preparing adhesive and its preparation Technical Field adhesives, adhesives and more particularly to a preparation method for preparing plywood. 背景技术[0002] 30年来,我国人造板产量增长迅速。 [0002] 30 years, China's plywood production increased rapidly. 2010年,我国人造板总产量I. 536亿立方米, 约占世界重量的50%,其中胶合板7139. 66万立方米、细木工板1652. 28万立方米。 In 2010, China's plywood production I. 536 billion cubic meters, accounting for about 50% of the weight of the world, of which 71,396,600 cubic meters of plywood, block board 16,522,800 m3. 人造板总产量、胶合板产量、家具产量、木质地板产量连续多年位居世界第一位。 The total output of wood-based panels, plywood production, furniture production, wood flooring production for many years ranked first in the world. [0003] 人造板生产中普遍采用的胶粘剂是甲醛系合成树脂,主要是脲醛树脂及其改性产品。 Adhesive [0003] commonly used in wood-based products is formaldehyde synthetic resin, mainly urea-formaldehyde resin and modified products. 虽然经过多年的努力,我国人造板胶粘剂生产水平有了很大提高,人造板及其制品环保特性有了很大改善,但是不少企业生产的人造板及其制品(家具、木地板、室内木质装饰材料等)仍然存在着较为严重的甲醛释放问题,是室内空气污染中甲醛污染的主要来源。 Even after years of efforts, the level of China's wood-based panel adhesive production has been greatly improved, plywood and environmental characteristics of products has been greatly improved, but many companies producing wood-based panels and their products (furniture, wood floors, wood interior decorative materials, etc.) there are still more serious problem of formaldehyde emission, a major source of indoor air pollution in formaldehyde contamination. [0004] 目前,降低人造板甲醛释放量的方法主要有如下4种:1)采用低摩尔比改性脲醛树脂胶粘剂;2)采用其他环保型胶粘剂;3)在人造板用脲醛树脂胶粘剂中加入甲醛捕捉剂;4)对人造板进行后处理。 [0004] Currently, a method of reducing formaldehyde release mainly has the following four kinds: 1) low molar ratio of urea formaldehyde adhesive; 2) employ other environmentally friendly adhesives; 3) of panel with added urea-formaldehyde resin adhesive Formaldehyde Scavenger; 4) after processing of wood-based panels. 但是,这些技术方法都存在着诸多缺陷。 However, these technical methods have many defects. 例如:1)采用低摩尔比改性脲醛树脂胶粘剂虽然能够有效降低人造板产品的甲醛释放量,但是产品的胶合强度也往往降低,不能满足使用要求;并且固化时间延长,生产效率降低;2)采用其他环保型胶粘剂,如异氰酸酯类胶粘剂,导致人造板的生产成本大幅度增加,企业和用户都难以接受; 采用普通的蛋白胶粘剂制备的人造板胶合强度低,人造板易开胶;3)在人造板用脲醛树脂胶粘剂中加入甲醛捕捉剂,虽然能够有效降低人造板游离甲醛释放量,但是往往同时降低人造板的胶合强度;同时,一般甲醛捕捉剂价格往往远远高于脲醛树脂胶粘剂,其加入就提高了产品成本,降低了产品竞争力;4)对人造板进行后处理,如公开号为CN1526528的发明专利申请中公开了一种采用氨气真空法制备El / EO级环保型人造板的制造工艺;公开号为CN2394770的实用新型专利中公 For example: 1) low molar ratio of modified urea formaldehyde resin adhesive even though it can reduce formaldehyde emissions of panel products, but also tend to reduce the bonding strength of products, can not meet the requirements; and prolonged curing time, the production efficiency; 2) other uses environmentally friendly adhesives, such as isocyanate-based adhesives, resulting in a substantial increase in production cost of wood-based panels, enterprises and users are unacceptable; low protein prepared using conventional adhesive bonding strength of the wood-based panels, plywood, easy to open plastic; 3) artificial plate was added with the formaldehyde scavenger urea-formaldehyde resin adhesive, even though it can effectively reduce the free formaldehyde emission wood-based panels, but often wood-based panel while reducing the bond strength; while prices are often much higher than the general Scavenger urea-formaldehyde resin adhesive which was added to improve the product cost and reduce the product competitiveness; 4) after processing of wood-based panels, such as the invention disclosed in Patent application No. CN1526528 discloses a use of ammonia in vacuo Preparation El / EO stage environmentally friendly wood-based panels manufacturing process; utility Model Patent Publication No. CN2394770 the well 了一种降低人造板甲醛释放量的处理装置,这些后处理方法,不仅使得人造板的制造工艺复杂,而且后处理设备投资巨大,生产成本明显提高。 A method of reducing formaldehyde release processing apparatus, these post-processing method, not only the manufacturing process of wood-based panels complicated and post-processing equipment huge investment, production costs are significantly improved. 综上所述,上述措施虽然能够有效降低人造板游离甲醛释放量,但是不能彻底解决甲醛释放问题,或由于生产成本过高等原因而无法推广。 In summary, although the above measures can effectively reduce the free formaldehyde emission wood-based panels, but can not completely solve the problem of formaldehyde release, or because of high production costs and so can not promote. [0005] 此外,中国申请200810032289. X公开了一种新型木材胶粘剂,该胶粘剂包括以下组分:水:100重量份;含蛋白质的原料:3〜45重量份;酸度调节剂:0. 01〜15重量份; 芳香族化合物:0. 01〜15重量份;固化剂:0. 01〜15重量份;防腐剂:0. 01〜15重量份;粘度调节剂:0〜15重量份;填料:0〜10重量份;催干剂:0〜15重量份。 [0005] In addition, China 200810032289. X application discloses a novel wood adhesive, the adhesive comprising the following components: Water: 100 parts by weight; the protein-containing material: 3~45 parts by weight; acidity regulator: 0 01~ 15 parts by weight; an aromatic compound: 0 01~15 parts by weight; curing agent: 0 01~15 parts by weight; preservative: 0 01~15 parts by weight; viscosity modifier: 0~15 parts by weight; filler: 0 ~ 10 parts by weight; driers: 0~15 parts by weight. 所述新型木材胶粘剂在生产和使用过程中几乎无甲醛释放,此外,其具有较高的耐水性。 The novel wood adhesives in the production and use almost no formaldehyde release, furthermore, it has a higher water resistance. 但实际使用过程中发现,由于其组分复杂,且相互间的协同作用不明显,导致其稳定性及粘度不够理想,实用性较差,因此,仍有待提出一种环保且性能优良的豆蛋白胶粘剂。 However, the actual use of the process was found, due to its complex components, and the mutual obvious synergy, resulting in less than ideal stability and viscosity, poor practicality, therefore, remains to be made with excellent environmental performance and soy protein adhesive. 发明内容[0006] 本发明的第一目的是针对现有技术存在的各种缺陷,提供一种高质量胶合板用胶粘剂,所述胶粘剂不含甲醛,是一种环保型胶合板用胶粘剂。 SUMMARY OF THE INVENTION [0006] The first object of the present invention is directed to the various drawbacks of the prior art, to provide a high-quality plywood adhesive, the adhesive does not contain formaldehyde, is an environmentally friendly adhesive for plywood. [0007] 本发明的第二目的在于提供一种上述胶合板用胶粘剂的制备方法,所述方法工艺简单,操作方便,适宜推广应用。 [0007] The second object of the present invention is to provide a method for preparing the above-mentioned plywood adhesive, the method is simple, easy to operate, an appropriate application. [0008] 为实现第一目的,本发明采用如下技术方案:[0009] 一种胶合板用胶粘剂,所述胶粘剂按重量份计,由包括如下配比的原料制备而成: 分散介质70-80份、脱脂豆蛋白粉20-35份、碳酸钠O. 5-3份、尿素2_6份、络合剂1_2份、 增强剂1-5份。 [0008] To achieve the first object, the present invention adopts the following technical solution: [0009] An adhesive for plywood, parts by weight of the adhesive, prepared from a feedstock comprising a ratio of from following: 70-80 parts of a dispersion medium , 20-35 parts of defatted soybean protein powder, sodium O. 5-3 parts, parts of urea, 2_6, 1_2 parts of complexing agent, 1-5 parts enhancers. [0010] 上述胶粘剂以脱脂豆蛋白粉作为主体制备而成,豆蛋白作为一种可再生的资源, 有助于解决常规胶合板胶粘剂中使用合成化石原料的枯竭问题,符合环境保护与可持续发展原则。 [0010] In the above-mentioned adhesive preparation of defatted soybean protein powder as the main body is made of soy protein as a renewable resource, help to solve problems of conventional plywood adhesives depletion synthetic fossil raw materials, in line with the principles of environmental protection and sustainable development . 且大豆蛋白来源丰富,可以大批量稳定生产,具有很大的优势。 And soybean-derived protein-rich, can produce large quantities of stable, has a great advantage. [0011] 所述豆蛋白胶粘剂是利用脱脂豆蛋白粉加工而成,有效的利用了大豆加工剩余物,综合利用资源,节约生产成本,提高了产品的附加值。 [0011] The defatted soy protein adhesives using soybean protein powder processing, efficient use of the soybean processing residue, resource utilization, reduce production costs, increase the value-added products. [0012] 其中,上述脱脂豆蛋白粉作为常用的一种大豆加工剩余物为本领域技术人员所了解和容易获取的,本发明对此不作特别限定。 [0012] wherein the defatted soy protein powder as a conventional soybean processing residues known to those skilled in readily available and understood, the present invention is not particularly limited to this. [0013] 其中,优选所述胶粘剂按重量份计,包括:分散介质72-76份、脱脂豆蛋白粉25-30 份、碳酸钠1-2. 5份、尿素3-4份、络合剂I. 2-1. 8份、增强剂2_4份。 [0013] wherein, preferably the parts by weight of adhesive, comprising: a dispersion medium 72-76 parts, 25-30 parts of defatted soybean protein powder, 1-25 parts of sodium carbonate, 3-4 parts of urea, a complexing agent. I. 2-1. 8 parts, reinforcing parts 2_4. [0014] 上述络合剂至少包括却不限于氯化锌、硫酸铜及碳酸锆。 [0014] The complexing agent comprising at least but not limited to, zinc chloride, copper sulfate and zirconium carbonate. 本领域技术人员可以预见,在保证络合剂同时含有氯化锌、硫酸铜及碳酸锆的前提下,可以进一步加入其它有效络合剂来实现本发明,,具体的选择为本领域技术人员所掌握。 Those skilled in the art can be expected, while ensuring a complexing agent comprising zinc chloride, copper sulfate and zirconium premise carbonate may be further added other complexing agents effective to implement the present invention ,, the specific choice of the skilled in the art grasp. [0015] 为了简化胶粘剂的组成,本发明优选采用仅含有氯化锌、硫酸铜及碳酸锆的络合剂,并进一步发现,当所述络合剂中氯化锌、硫酸铜和碳酸锆之间的重量份配比为:O. 8-1. 2 :0. 5-1. 5 :0. 5-1. 5时,能够更好地促成络合反应,最终得到高质量粘胶剂,其中更优选络合剂中氯化锌、硫酸铜和碳酸锆之间的重量份配比为:0. 9-1. O :0. 8-1. 2 :0. 8-1. 2。 [0015] In order to simplify the composition of the adhesive of the present invention preferably employs a complexing agent containing only zirconium chloride, carbonate and sulfate, and further found that, when the complexing agent for zinc chloride, copper sulfate and zirconium carbonate between the parts by weight ratio of: O 8-1 2:.. 0 5-1 5:.... when 05-15, contribute to better complexation reaction, a final high quality glue, more preferred complexing agent for zinc chloride, copper sulfate and between parts by weight ratio of zirconium carbonate:. 0 9-1 O:. 0 8-1 2:.... 0 8-1 2. 配制络合剂时,只需准确称量各组方,然后将其研磨,混合均匀即可。 When formulated complexing agent, only prescription accurately weighed, and milled and mixed evenly. [0016] 本发明中,采用质量浓度30-40%的乙二醛溶液作为增强剂,本发明采用金属盐等物质与豆蛋白的复合,采用乙二醛增强剂,解决了普通豆蛋白胶粘剂耐水性差的问题,能够满足胶合板用胶粘剂的耐水要求,保证了豆蛋白胶粘剂的实用性能,并且由本发明的胶粘剂制备的胶合板达到国标中II类胶合板要求。 [0016] the present invention, a concentration of 30-40% glyoxal solution as a reinforcing agent, and the like of the present invention is the use of composite materials with a metal salt soy protein, using glyoxal enhancers, soy protein adhesive solution to a common water the problem of poor, water can meet the requirements with plywood adhesive, to ensure the practical performance of soy protein adhesive and plywood adhesive was prepared by the present invention to achieve the national standard class II plywood requirements. [0017] 本发明所述胶粘剂中,所述的分散介质为水,优选为软化水。 The [0017] present invention, the adhesive, the dispersion medium is water, preferably demineralized water. [0018] 本发明对豆蛋白进行处理后作为胶合板用胶粘剂,不含有游离甲醛,胶接的胶合板不存在甲醛释放问题,彻底解决人造板带来的室内空气中的甲醛污染问题。 [0018] After the soy protein of the present invention is treated as an adhesive for plywood, does not contain free formaldehyde, glued plywood formaldehyde emission is not a problem, wood-based panels solve the problem of pollution caused by formaldehyde in the indoor air. [0019] 发明人在实际研究过程中发现,虽然采用现有技术习用的其他络合剂和增强剂取代本发明所述助剂所得胶粘剂,或不加入任何助剂的豆蛋白粘液也具有一定粘性,但在实验测试中发现,上述胶粘剂的稳定性及胶合强度远远不能达标,无法在实际应用中推广。 [0019] The inventors have found that in the actual course of the study, although the use of prior art complexing agents and other conventional enhancers substituted aid the resulting adhesive of the invention, or without the addition of any additives soy protein mucus also has a certain viscosity but in experimental tests we found that the adhesive bonding strength and stability is far from standard, can not be used in practical applications. 而由于本发明所述的胶粘剂各组分及其用量设计科学合理,相互之间形成了最佳的协同效应,因此,胶粘剂的其耐水性和强度和稳定性均得到了显著提高。 And because the adhesive of the present invention, the components and amounts thereof scientific and rational design, the best synergies are formed between each other, and therefore, adhesive strength and water resistance and stability are significantly improved obtained. [0020] 此外,为实现第二目的,本发明采用如下技术方案:[0021] 一种上述胶粘剂的制备方法,所述方法包括如下步骤:[0022] I)将脱脂豆蛋白粉和碳酸钠加入分散介质中,搅拌均匀,得混合物;[0023] 2)向所述混合物中加入络合剂,搅拌均匀;[0024] 3)继续加入增强剂,搅拌均匀,即得。 [0020] Further, to achieve the second object, the present invention adopts the following technical solution: [0021] A method of the above adhesive, the method comprising the steps of: [0022] I) the defatted soy protein flour and sodium carbonate was added dispersion medium, stir to obtain a mixture; [0023] 2) a complexing agent was added to the mixture, stir; [0024] 3) adding a reinforcing agent to continue, stir to obtain. [0025] 本发明所述的制备方法中,优选步骤I为:将碳酸钠和脱脂豆蛋白粉加入分散介质,搅拌均匀后在40-80°C下保温3-6小时,得混合物。 The method of preparing the [0025] present invention, preferably in step I is: The defatted soybean protein powder and sodium carbonate added to the dispersion medium, stir incubation at 40-80 ° C 3-6 hours, the resulting mixture. [0026] 本发明所述的制备方法中,优选步骤2为:使所述混合物降温至25_35°C后加入络合剂并搅拌均匀。 The method of preparing the [0026] present invention, preferably in step 2: After the mixture was cooled to 25_35 ° C complexing agent is added and stirred uniformly. [0027] 作为本发明的一种最佳实施方式,所述方法包括如下步骤:[0028] I)将碳酸钠和脱脂豆蛋白粉加入分散介质,搅拌均匀后在45_70°C下保温反应4-5小时,得混合物;[0029] 2)使所述混合物降温至30_32°C后加入络合剂并搅拌均匀,使其进行络合反应;[0030] 3)继续加入增强剂,搅拌均匀,即得胶粘剂。 [0027] As a preferred embodiment, the method of the present invention comprises the steps of: [0028] I) the defatted soy protein flour and sodium carbonate added to the dispersion medium, stir at 45_70 ° C incubation reaction of 4 for 5 hours to obtain a mixture; [0029] 2) reacting the mixture was cooled to 30_32 ° C and stir the complexing agent is added, the reaction allowed complexation; [0030] 3) adding a reinforcing agent to continue, stir, i.e. When the adhesive. [0031] 采用上述技术方案,本发明具有以下优点:[0032] (I)本发明无甲醛豆蛋白胶粘剂使用方便,不必对现有人造板生产设备和工艺做改动,因此不需要增加设备投资。 [0031] With the above technical solution, the present invention has the following advantages: [0032] (I) No formaldehyde soy protein adhesive of the present invention easy to use, does not have to make changes to existing panel production equipment and technology, there is no need to increase investment in equipment. [0033] (2)本发明所述无甲醛胶粘剂价格低廉。 [0033] (2) according to the present invention is inexpensive formaldehyde-free adhesive price. 目前,50%固体含量的低游离甲醛含量脲醛树脂胶粘剂的价格在1800-2500元/吨,酚醛树脂胶粘剂的价格在5000-6000元/吨,本发明豆蛋白胶粘剂(35%固体含量)的价格在1500-2000元/吨,价格远远低于酚醛树脂胶粘剂,与脲醛树脂胶粘剂接近。 At present, the price of a urea resin adhesive of low free formaldehyde content of 50% solids content in the 1800-2500 yuan / ton, the price of the phenolic resin adhesive 5000-6000 / ton, the price of soy protein adhesive of the present invention (35% solids content) 1500-2000 yuan / ton, the price is much lower than the phenolic resin adhesive, a urea resin adhesive close. 本发明制备的胶粘剂可替代含甲醛的常规胶合板胶粘剂,制备胶合板时的总施胶量不变,因此使用成本与脲醛树脂胶粘剂相当,远远低于酚醛树脂胶粘剂使用成本。 Adhesives prepared according to the invention can replace the conventional plywood adhesives containing formaldehyde, the total amount of the preparation of plywood glue unchanged, and thus the cost is quite urea-formaldehyde resin adhesive, phenolic resin adhesive used far less than the cost. 因此,本发明的豆蛋白胶粘剂具有良好的应用前景。 Therefore, soy protein adhesive of the present invention have good application prospect. 具体实施方式[0034] 实施例I[0035] I)按以下重量配比进行备料[0036]软化水碳酸纳脱脂豆蛋白粉络合剂增强剂[0037] 其中,络合剂为北京林业大学材料科学与技术学院自行配制的粉剂,其中包括氯化锌:0. 8份、硫酸铜:0. 5份、碳酸锆:0. 5份,将上述组分研磨均匀,混合均匀;增强剂为质量浓度为30%的乙二醛溶液。 DETAILED DESCRIPTION [0034] wherein the material is a complexing agent of Beijing Forestry University Example I [0035] I) according to the following ratio by weight for preparation [0036] demineralized water sodium carbonate powder defatted soy protein complexing agent enhancer [0037] Science and technology itself formulated powders including zinc chloride: 08 parts of copper sulfate: 05 parts of zirconium carbonate:... 05 parts the above components were milled uniformly mixed; enhancer mass concentration of 30% glyoxal solution. [0038] 2)在配有搅拌器、温度计和冷凝装置的反应釜中,加入全部的软化水、碳酸钠、豆蛋白粉、尿素,搅拌均匀。 [0038] 2) in a reaction vessel equipped with a stirrer, a thermometer and a condensing means, all the added demineralized water, sodium carbonate, soy protein powder, urea, and mix well. 70 Kg I Kg 25 Kg 2Kg 1.2 Kg IK^[0039] 3 )加热至45-47 V,保温反应3小时,得混合物。 70 Kg I Kg 25 Kg 2Kg 1.2 Kg IK ^ [0039] 3) was heated to 45-47 V, incubated for 3 hours, the resulting mixture. [0040] 4)将混合物降温至30°C,制得均匀豆蛋白粘液。 [0040] 4) The mixture was cooled to 30 ° C, to prepare a homogenous soy protein mucus. [0041] 5)向豆蛋白粘液中加入络合剂并搅拌均匀,使其进行络合反应。 [0041] 5) was added to the soy protein complexing agent and stir the mucus, so that complexation reaction. [0042] 6)继续向其中加入增强剂,搅拌均匀,即得豆蛋白胶粘剂。 [0042] 6) continues enhancer added thereto and uniformly stirred, to obtain soybean protein adhesive. 本实施例所得胶粘剂的性能质量指标见表I。 Quality performance indicators in Table I. The resultant adhesive according to the present embodiment [0043] 实施例2[0044] I)按以下重量配比进行备料[0045]软化水碳酸钠脱脂豆蛋白粉尿素络合剂增强剂[0046] 其中,络合剂为北京林业大学材料科学与技术学院自行配制的粉剂,包括氯化锌I. 2份、硫酸铜I. 5份、碳酸锆I. 5份,将其研磨均匀,混合均匀;增强剂为质量浓度为30%的乙二醛溶液。 [0043] Example 2 [0044] I) according to the following weight proportions for preparation [0045] demineralized water sodium defatted soy protein flour enhancers complexing urea [0046] wherein the complexing agent is Beijing Forestry University Science and Materials technical College self formulated powders, I. 2 parts include zinc chloride, copper sulfate I. 5 parts, I. 5 parts of zirconium carbonate, milled uniformly mixed; enhancer is a mass concentration of 30% glyoxal solution. [0047] 2)在配有搅拌器、温度计和冷凝装置的反应釜中,加入全部的软化水、碳酸钠、尿素、豆蛋白粉,搅拌均匀;[0048] 3 )加热至40-42 V,反应6小时,得混合物;[0049] 4)将混合物降温至30°C,制得均匀豆蛋白粘液。 [0047] 2) in a reaction vessel equipped with a stirrer, a thermometer and a condensing means, all the added demineralized water, sodium carbonate, urea, soybean protein powder, stir; [0048] 3) was heated to 40-42 V, 6 hours of reaction, the resulting mixture; [0049] 4) the mixture was cooled to 30 ° C, to prepare a homogenous soy protein mucus. [0050] 5)向豆蛋白粘液中加入络合剂并搅拌均匀,使其进行络合反应。 [0050] 5) was added to the soy protein complexing agent and stir the mucus, so that complexation reaction. [0051] 6)继续向其中加入增强剂,搅拌均匀,即得豆蛋白胶粘剂。 [0051] 6) continues enhancer added thereto and uniformly stirred, to obtain soybean protein adhesive. 本实施例所得胶粘剂的性能质量指标见表I。 Quality performance indicators in Table I. The resultant adhesive according to the present embodiment [0052] 实施例3[0053] I)按以下重量配比进行备料[0054]软化水碳酸钠脱脂豆蛋白粉尿素络合剂增强剂[0055] 其中,络合剂为北京林业大学材料科学与技术学院自行配制的粉剂,包括以下重量配比的组分:氯化锌O. 8份、硫酸铜I. 5份、碳酸锆I份,将其研磨均匀,混合均匀;增强剂为质量浓度为30%的乙二醛溶液。 [0052] Example 3 [0053] I) according to the following weight proportions for preparation [0054] demineralized water sodium defatted soy protein flour enhancers complexing urea [0055] wherein the complexing agent is Beijing Forestry University Science and Materials technical College self formulated powders comprising the weight ratio of component: parts zinc O. 8, I. 5 parts of copper sulfate, zirconium carbonate, parts I, milled uniformly mixed; enhancer is a mass concentration 30% glyoxal solution. [0056] 2)在配有搅拌器、温度计和冷凝装置的反应釜中,加入全部的软化水、碳酸钠、尿素、豆蛋白粉,搅拌均匀。 [0056] 2) in a reaction vessel equipped with a stirrer, a thermometer and a condensing means, all the added demineralized water, sodium carbonate, urea, soybean protein powder, mix well. [0057] 3)加热至68_70°C,反应5小时,得混合物。 [0057] 3) was heated to 68_70 ° C, reacted for 5 hours to obtain a mixture. [0058] 4)将混合物降温至30°C,制得均匀豆蛋白粘液。 [0058] 4) The mixture was cooled to 30 ° C, to prepare a homogenous soy protein mucus. [0059] 5)向豆蛋白粘液中加入络合剂并搅拌均匀,使其进行络合反应。 [0059] 5) was added to the soy protein complexing agent and stir the mucus, so that complexation reaction. [0060] 6)继续向其中加入增强剂,搅拌均匀,即得豆蛋白胶粘剂。 [0060] 6) continues enhancer added thereto and uniformly stirred, to obtain soybean protein adhesive. 本实施例所得胶粘剂的性能质量指标见表I。 Quality performance indicators in Table I. The resultant adhesive according to the present embodiment [0061] 实施例4[0062] I)按以下重量配比进行备料[0063]软化水碳酸钠脱脂豆蛋白粉尿素络合剂[0064]增强剂[0065] 其中,络合剂为北京林业大学材料科学与技术学院自行配制的粉剂,包括氯化锌I 份、硫酸铜I份、碳酸锆I份,将其研磨均匀,混合均匀;增强剂为质量浓度为40%的乙二醛溶液。 [0061] Example 4 [0062] I) according to the following weight proportions for preparation [0063] demineralized water sodium defatted soy protein flour urea complexing agent [0064] enhancers [0065] wherein the complexing agent is Beijing Forestry University materials Science and technology itself formulated powders, parts I include zinc chloride, copper sulfate I parts, parts I zirconium carbonate, milled uniformly mixed; enhancer is a mass concentration of 40% glyoxal solution. [0066] 2)在配有搅拌器、温度计和冷凝装置的反应釜中,加入全部的软化水、碳酸钠、尿素、豆蛋白粉,搅拌均匀;[0067] 3)加热至78_80°C,反应4小时,得混合物;[0068] 4)将混合物降温至25°C,制得均匀豆蛋白粘液。 [0066] 2) in a reaction vessel equipped with a stirrer, a thermometer and a condensing means, all the added demineralized water, sodium carbonate, urea, soybean protein powder, stir; [0067] 3) was heated to 78_80 ° C, the reaction 4 hours to obtain a mixture; [0068] 4) the mixture was cooled to 25 ° C, to prepare a homogenous soy protein mucus. [0069] 5)向豆蛋白粘液中加入络合剂并搅拌均匀,使其进行络合反应。 [0069] 5) was added to the soy protein complexing agent and stir the mucus, so that complexation reaction. [0070] 6)继续向其中加入增强剂,搅拌均匀,即得豆蛋白胶粘剂。 [0070] 6) continues enhancer added thereto and uniformly stirred, to obtain soybean protein adhesive. 本实施例所得胶粘剂的性能质量指标见表I。 Quality performance indicators in Table I. The resultant adhesive according to the present embodiment [0071] 实施例5[0072] I)按以下重量配比进行备料:[0073]72 Kg 0.5 Kg 20 Kg 3Kg I.SKg2Kg软化水 75Kg碳酸钠 2.5 Kg脱脂豆蛋白粉 30 Kg尿素 6Kg络合剂 1.8 Kg增强剂 4Kg[0074] 其中,络合剂为北京林业大学材料科学与技术学院自行配制的粉剂,包括以下重量配比的组分:氯化锌O. 8份、硫酸铜I. 2份、碳酸锆I. 2份,将其研磨均匀,混合均匀;增强剂为质量浓度为35%的乙二醛溶液。 [0071] Example 5 [0072] I) weight ratio for the following preparation: [0073] 72 Kg 0.5 Kg 20 Kg 3Kg I.SKg2Kg 75Kg sodium demineralized water 2.5 Kg 30 Kg defatted soy protein flour urea complexing agent 6Kg 1.8 Kg enhancers 4Kg [0074] wherein the complexing agent is Beijing University of Forestry and technology University itself formulated powders, comprising the following weight proportions of components: zinc O. 8 parts, 2 parts of copper sulfate I. , I. 2 parts of zirconium carbonate, milled uniformly mixed; enhancer is a mass concentration of 35% glyoxal solution. [0075] 2)在配有搅拌器、温度计和冷凝装置的反应釜中,加入全部的软化水、碳酸钠、尿素、豆蛋白粉,搅拌均匀。 [0075] 2) in a reaction vessel equipped with a stirrer, a thermometer and a condensing means, all the added demineralized water, sodium carbonate, urea, soybean protein powder, mix well. [0076] 3)加热至58_60°C,反应3. 5小时,得混合物。 [0076] 3) was heated to 58_60 ° C, 3.5 hours reaction, the resulting mixture. [0077] 4)将混合物物降温至35°C,制得均匀豆蛋白粘液。 [0077] 4) The mixture was cooled to 35 ° C, to prepare a homogenous soy protein mucus. [0078] 5)向豆蛋白粘液中加入络合剂并搅拌均匀,使其进行络合反应。 [0078] 5) was added to the soy protein complexing agent and stir the mucus, so that complexation reaction. [0079] 6)继续向其中加入增强剂,搅拌均匀,即得豆蛋白胶粘剂。 [0079] 6) continues enhancer added thereto and uniformly stirred, to obtain soybean protein adhesive. [0080] 本实施例所得胶粘剂的性能质量指标见表I。 [0080] The quality of the performance indicators in Table I. The resultant adhesive according to the present embodiment [0081] 表I ϋ蛋白月父粘剂的性能指标[0082] [0081] Table I ϋ performance indicators parent protein month Viscosity [0082]

[0083] 为了验证本发明所述胶粘剂的性能,发明人进一步展开了一系列试验,篇幅所限, 此处仅例举最具代表力的数据。 [0083] In order to verify the performance of the adhesive of the present invention, the inventors have further expanded series of experiments, limited space, here only include data representing the most force. [0084] 试验例I[0085] 本试验例分别采用本发明实施例1-3和对照例1-6的产品制造三层450 X 450mm 胶合板。 [0084] Test Example I [0085] Test Examples of the present invention were used in Examples 1-3 and Comparative Example 450 X 450mm manufacturing a three-layer plywood of 1-6 embodiment. [0086]其中:[0087] 对照例1-3 :分别采用实施例1-3中步骤4所得豆蛋白粘液作为胶粘剂;[0088] 对照例4 :与本发明实施例I相比,区别点仅在于本实施例不加入络合剂。 [0086] wherein: [0087] Comparative Examples 1-3: Step 4 were obtained using soy protein in Example 1-3 as an adhesive mucilage; [0088] Comparative Example 4: Example I embodiment of the present invention as compared to only a point of difference in that the complexing agent is not present embodiment. [0089] 对照例5 :与本发明实施例I相比,区别点仅在于本实施例不加入增强剂。 [0089] Comparative Example 5: Example I embodiment of the present invention as compared to only difference is that the present embodiment is not added enhancer. [0090] 对照例6 :中国申请200810032289. X实施例7 (以脱脂大豆豆柏粉和大豆分离蛋白为主体制备的木材胶粘剂)[0091] 杨木单板:含水率干燥到8-12% ;厚I. 6mm ;[0092] 单板胶粘剂采用本发明实施例1-3的产品和对照例1-6的产品。 [0090] Comparative Example 6: Chinese Application 200810032289. X Example 7 (Bo Peas in defatted flour and soy protein isolate prepared as wood adhesive body) [0091] poplar veneer: dried to 8-12% moisture content; thick I. 6mm; [0092] board using an adhesive product of Example 1-3 and Comparative Example 1-6 products of the present invention. [0093] 按以下正常工艺制备胶合板:[0094] 施胶:芯板双面施胶,涂胶量为220_300g/m2。 [0093] Plywood prepared following the normal process: [0094] Sizing: Sizing sided core board, an amount of glue 220_300g / m2. [0095] 陈化方式及时间:闭合陈化,10-30分钟。 [0095] The manner and time of aging: closed assembly, 10-30 minutes. [0096] 预压压力及时间:预压30分钟,压力O. 8MPa。 [0096] prestressing pressure and time: 30 minutes preload pressure O. 8MPa. [0097] 热压压力:L 2MPa,热压温度为120_130°CC,热压时间为70s/mm。 [0097] The hot pressure: L 2MPa, pressing temperature 120_130 ° CC, pressing time was 70s / mm. [0098] 按GB/T17657-1999《人造板及饰面人造板理化性能实验方法》检测方法对生产的胶合板产品进行性能检测,检测结果见表2。 [0098] Press GB / T17657-1999 "veneer plywood panels and physicochemical properties of the experimental procedure" Detection Method for producing plywood product performance testing, test results are shown in Table 2. [0099] 表2胶接胶合板的甲醛释放量与胶合强度[0100] [0099] Table 2 is glued plywood bond strength and formaldehyde emission [0100]

Figure CN102977846AD00091

[0101] 上述试验结果表明,本发明无甲醛豆蛋白胶粘剂制造的胶合板的甲醛释放量都很低(为木材本体甲醛释放),胶合板的胶合强度在I. IOMPa以上,达到国标中II类胶合板标准(杨木> O. 70MPa)。 [0101] The above test results show that the formaldehyde-free soy protein adhesive of the present invention for manufacturing plywood are very low formaldehyde emission (release formaldehyde timber body), the bonding strength of plywood above I. IOMPa, met the international standard plywood class II (Aspen> O. 70MPa). 此外,对照例1-5的实验结果表明,改变增强剂或络合剂的组成,或者不加增强剂和络合剂,所得粘胶剂的胶合强度远远达不到标准,无法应用于实际。 Furthermore, experimental results indicate that Comparative Example 1-5, changing the composition of the reinforcing agent or complexing agent, and enhancer or without complexing agents, bonding strength of the resulting adhesives is far less than the standard can not be applied to practical . 对照例6 的实验结果表明,本发明所得胶粘剂的胶合强度显著优于现有技术。 Comparative Example 6 The experimental results show that the adhesive bonding strength obtained by the present invention is significantly better than the prior art. [0102] 试验例2[0103] 本试验例分别对本发明实施例1-3和对照例1-6的产品进行了稳定性测试。 [0102] Test Example 2 [0103] Test Examples of the present embodiment are examples of the present invention 1-3 and Comparative Example 1-6 Test product stability. [0104]其中:[0105] 对照例1-3 :采用实施例1-3中的豆蛋白粘液作为胶粘剂;[0106] 对照例4 :与本发明实施例I相比,区别点仅在于本实施例不加入络合剂。 [0104] wherein: [0105] Comparative Example 1-3: soy protein employed in Examples 1-3 mucus as an adhesive; [0106] Comparative Example 4: Example I embodiment of the present invention as compared to the present embodiment only difference is that Example complexing agent was not added. [0107] 对照例5 :与本发明实施例I相比,区别点仅在于本实施例不加入增强剂。 [0107] Comparative Example 5: Example I embodiment of the present invention as compared to only difference is that the present embodiment is not added enhancer. [0108] 对照例6 :中国申请200810032289. X实施例7 (以脱脂大豆豆柏粉和大豆分离蛋白为主体制备的木材胶粘剂)[0109] 试验方法:参照GB-T 14074-2006木材胶粘剂及其树脂检验方法检测胶粘剂的稳定性和胶粘剂粘度变化。 [0108] Comparative Example 6: Chinese Application 200810032289. X Example 7 (Bo Peas in defatted flour and soy protein isolate prepared as wood adhesive body) [0109] Test Method: According to GB-T 14074-2006 wood adhesives and their and a resin adhesive stability test method to detect the change in viscosity adhesive. [0110] 试验结果:在实验测试的5天内,实施例1-3的胶粘剂外观和粘度没有明显变化, 而对照例1-6均有不同程度的水析出,粘度也有较为明显的下降,其中以对照例1-3最明显,对照例4-6次之。 [0110] Test Results: In the experimental test five days, the appearance and the viscosity of the adhesive of Example 1-3 did not change significantly, while the 1-6 Comparative Example varying degrees of water precipitation, the more obvious viscosity decreased, which The most obvious of Comparative Example 1-3, Comparative Example 4-6 followed. [0111] 上述试验结果表明,本发明所得胶粘剂稳定性显著优于其他组成的豆蛋白粘胶剂。 [0111] The above test results show that the stability of the resulting adhesive of the present invention is significantly better than the other soy protein adhesive agent. [0112] 虽然,上文中已经用一般性说明及具体实施方案对本发明作了详尽的描述,但在本发明基础上,可以对之作一些修改或改进,这对本领域技术人员而言是显而易见的。 [0112] While the foregoing has been a general description and specific embodiments of the present invention is described in detail, but the present invention is based on, you can make some modifications or improvements, which will be apparent to those skilled in the art . 因此,在不偏离本发明精神的基础上所做的这些修改或改进,均属于本发明要求保护的范围。 Accordingly, such modifications without departing from the spirit of the present invention is based on the improvement made or, belong to the scope of the invention as claimed.

Claims (10)

1. ー种胶合板用胶粘剂,其特征在于:所述胶粘剂按重量份计,由包括如下配比的原料制备而成:分散介质70-80份、脱脂豆蛋白粉20-35份、碳酸钠O. 5-3份、尿素2_6份、络合剂1-2份、增强剂1-5份。 1. ー species plywood adhesive, characterized in that: parts by weight of the adhesive, prepared from a starting material comprising the following proportions from: a dispersion medium 70-80 parts, 20-35 parts of defatted soybean protein powder, sodium O 5-3 parts, parts of urea, 2_6, 1-2 parts of complexing agent, 1-5 parts enhancers.
2.根据权利要求I所述的胶粘剂,其特征在于:所述胶粘剂按重量份计,由包括如下配比的原料制备而成:分散介质72-76份、脱脂豆蛋白粉25-30份、碳酸钠1-2. 5份、尿素3_4份、络合剂I. 2-1. 8份、增强剂2-4份。 2. The adhesive according to claim I in claim 1, characterized in that: parts by weight of the adhesive, prepared from a starting material comprising the following proportions: 72-76 parts of a dispersion medium, 25-30 parts of defatted soybean protein powder, sodium carbonate 1-2. 5 parts of urea 3_4 parts of complexing agent I. 2-1. 8 parts, reinforcing parts 2-4.
3.根据权利要求I或2所述的胶粘剂,其特征在于所述络合剂至少包括氯化锌、硫酸铜及碳酸锆。 3. The adhesive according to claim I or claim 2, wherein said complexing agent comprises at least zinc, copper sulfate and zirconium carbonate.
4.根据权利要求3所述的胶粘剂,其特征在于:所述络合剂中氯化锌、硫酸铜和碳酸锆之间的重量份配比为:0. 8-1. 2 :0. 5-1. 5 :0. 5-1. 5。 4. The adhesive according to claim 3, characterized in that: parts by weight between the complexing agent for zinc chloride, copper sulfate and zirconium carbonate ratio: 08-12:... 05 -15:... 05-15.
5.根据权利要求I所述的胶粘剂,其特征在于:所述增强剂为质量浓度30-40%的こニ醛溶液。 5. The adhesive according to claim I in claim 1, characterized in that: the enhancer Ni aldehyde solution ko 30-40% of mass concentration.
6.根据权利要求I所述的胶粘剂,其特征在于:所述的分散介质为软化水。 6. The adhesive according to claim I in claim 1, characterized in that: the dispersion medium is demineralized water.
7. —种权利要求1-6任一项所述胶粘剂的制备方法,所述方法包括如下步骤: 1)将脱脂豆蛋白粉、尿素和碳酸钠加入分散介质中,搅拌均匀,得混合物; 2)向所述混合物中加入络合剂,搅拌均匀; 3)继续加入增强剂,搅拌均匀,即得。 7. - The method of preparation of the adhesive according to any one of claims 1-6 species, said method comprising the steps of: 1) the defatted soy protein flour, urea, and sodium carbonate added to the dispersion medium and stirred uniformly to obtain a mixture; 2 ) complexing agent was added to the mixture and uniformly stirred; 3) continue adding a reinforcing agent, uniformly stirred, to obtain.
8.根据权利要求7所述的制备方法,其特征在于:所述步骤I为:将碳酸钠和脱脂豆蛋白粉加入分散介质,搅拌均匀后在40-80°C下保温3-6小时,得混合物。 8. The production method according to claim 7, wherein: said step I is: The defatted soybean protein powder and sodium carbonate added to the dispersion medium, stir incubation at 40-80 ° C 3-6 hours, a mixture.
9.根据权利要求7所述的制备方法,其特征在于:所述步骤2为:使所述混合物降温至25-35°C后加入络合剂并搅拌均匀。 9. A method of preparation according to claim 7, wherein: said step 2: the mixture was cooled to 25-35 ° C after addition of the complexing agent and stir.
10.根据权利要求7所述的制备方法,其特征在于:所述方法包括如下步骤: 1)将碳酸钠、尿素和脱脂豆蛋白粉加入分散介质,搅拌均匀后在45-70°C下保温反应4-5小时,得混合物; 2)使所述混合物降温至30-32°C后加入络合剂并搅拌均匀; 3)继续加入增强剂,搅拌均匀,即得胶粘剂。 10. The production method according to claim 7, characterized in that: said method comprises the following steps: 1) Sodium carbonate, defatted soy protein flour and urea added to the dispersion medium, stir at 45-70 ° C incubation 4-5 hours the reaction, the resulting mixture; 2) the mixture was cooled to 30-32 ° C and mix the complexing agent is added; 3) continue adding a reinforcing agent, stir, to obtain adhesives.
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CN103740325A (en) * 2013-12-30 2014-04-23 北京林业大学 Adhesive for artificial boards and preparation method thereof, and plywood prepared from adhesive
CN103740324B (en) * 2013-12-30 2016-04-13 北京林业大学 One kind of adhesive for wood-based panel and its preparation method and application
CN103740325B (en) * 2013-12-30 2016-04-20 北京林业大学 Wood-based panel with an adhesive, a preparation method and use thereof plywood
CN103897658A (en) * 2014-03-19 2014-07-02 中国林业科学研究院林产化学工业研究所 Double-component soybean meal-based adhesive for fiberboards and application thereof
CN103897658B (en) * 2014-03-19 2016-08-17 中国林业科学研究院林产化学工业研究所 Soybean yl adhesive bicomponent fiber board and its application
CN104786341A (en) * 2015-03-29 2015-07-22 桐城市诚信木塑科技材料有限公司 Production technology for casein-soybean glue bamboo floor
CN105860922A (en) * 2016-05-09 2016-08-17 北京林业大学 Bean pulp-base artificial board adhesive and preparation method thereof
CN106590526A (en) * 2016-12-17 2017-04-26 浦北县建业胶合板有限责任公司 Soybean protein adhesive for plywood and preparation method of soybean protein adhesive
CN107699192A (en) * 2017-08-30 2018-02-16 含山县茂盛胶合板厂 High-performance adhesive for glued board
CN107903841A (en) * 2017-11-28 2018-04-13 黄桂凤 Adhesive for plywood and preparation method thereof
CN107903871A (en) * 2017-11-28 2018-04-13 黄桂凤 Soybean protein adhesive and preparation method thereof

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