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CN106393297B - Manufacturing method of wear-resistant polyurethane impregnated decorative paper veneer formaldehyde-free glue-based wood-based panel - Google Patents

Manufacturing method of wear-resistant polyurethane impregnated decorative paper veneer formaldehyde-free glue-based wood-based panel Download PDF

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Publication number
CN106393297B
CN106393297B CN201610965800.6A CN201610965800A CN106393297B CN 106393297 B CN106393297 B CN 106393297B CN 201610965800 A CN201610965800 A CN 201610965800A CN 106393297 B CN106393297 B CN 106393297B
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polyurethane resin
aldehyde
formaldehyde
wood
decorative paper
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CN106393297A (en
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张洋
樊世坤
崔举庆
贾翀
韩书广
周兆兵
黄润州
王晓宇
陈凤清
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Nanjing Forestry University
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Nanjing Forestry University
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27D—WORKING VENEER OR PLYWOOD
    • B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
    • B27D1/08—Manufacture of shaped articles; Presses specially designed therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B2037/1269—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives multi-component adhesive

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Laminated Bodies (AREA)

Abstract

Proposed by the present invention is manufacturing method of the abrasion resistant polyurethane dipping decorative paper veneer without aldehyde glue wood-based plate, and this method comprises the technical steps that: (1) modulation of abrasion resistant polyurethane resin；(2) prepared by abrasion resistant polyurethane resin dipping decorative paper；(3) the veneer processing without aldehyde glue wood-based plate.Advantages of the present invention: 1) the problem of having the characteristics that the environmentally friendly of no added formaldehyde, can solve free formaldehyde, indoor environmental quality is improved；2) 1-5% nano-cellulose whisker is added in the disadvantage poor for no aldehyde polyurethane resin wear-resisting property in no aldehyde polyurethane resin, its surface abrasion resistance can be improved, and expands the use scope without aldehyde glue wood-based plate.

Description

耐磨聚氨酯浸渍装饰纸贴面无醛胶人造板的制造方法Manufacturing method of wear-resistant polyurethane impregnated decorative paper veneer formaldehyde-free glue-based wood-based panel

技术领域technical field

本发明涉及的是耐磨聚氨酯浸渍装饰纸贴面无醛胶人造板的制造方法，属于人造板加工技术领域。The invention relates to a method for manufacturing a wear-resistant polyurethane impregnated decorative paper veneer formaldehyde-free glue-based wood-based panel, which belongs to the technical field of wood-based panel processing.

背景技术Background technique

目前人造板用胶黏剂主要是含有甲醛的脲醛树脂、酚醛树脂、三聚氰胺树脂等，存在游离甲醛的问题，对消费者的健康有一定影响。无醛胶人造板是采用异氰酸酯、无甲醛豆胶等无醛胶黏剂生产的刨花板、胶合板、纤维板等产品，具有无添加甲醛的环保特点，受到广大消费者的青睐。由于无醛胶刨花板及纤维板表面色泽灰暗，看不到完整的实木花纹，用次等原木或速生树种为原料生产的无醛胶胶合板，表面花纹单调、呆板，需要采用不同类型装饰纸、薄木等材料贴面美化外观，遮盖无醛胶人造板表面的部分缺陷，提高使用价值和价值。目前装饰纸贴面无醛胶人造板主要采用三聚氰胺浸渍装饰纸，由于三聚氰胺树脂胶黏剂浸渍装饰纸含有少量甲醛，使无醛胶人造板无添加甲醛的特点有所影响，为此利用无醛聚氨酯树脂与装饰纸复合后再对无醛胶人造板进行贴面处理具有重要意义，此外，针对无醛聚氨酯树脂耐磨性能较差的缺点，在无醛聚氨酯树脂中加入1-5% 纳米纤维素晶须，可以提高其表面耐磨性能，同时解决游离甲醛的问题，提高室内环境质量，扩大无醛胶人造板的使用范围。At present, the adhesives for wood-based panels are mainly urea-formaldehyde resins, phenolic resins, melamine resins, etc. that contain formaldehyde. There is a problem of free formaldehyde, which has a certain impact on the health of consumers. Formaldehyde-free glue-based wood-based panels are particleboard, plywood, fiberboard and other products produced with formaldehyde-free adhesives such as isocyanate and formaldehyde-free bean gum. They are environmentally friendly without adding formaldehyde and are favored by consumers. Since the surface color of formaldehyde-free glue particle board and fiberboard is gray, and the complete solid wood pattern cannot be seen, the formaldehyde-free glue plywood produced with inferior logs or fast-growing tree species as raw materials has monotonous and dull surface patterns, and different types of decorative paper, veneer, etc. are required. The material veneer beautifies the appearance, covers some defects on the surface of the formaldehyde-free glue-based wood-based panel, and improves the use value and value. At present, melamine-impregnated decorative paper is mainly used for veneering decorative paper-based wood-based panels with formaldehyde-free adhesive. Since the decorative paper impregnated with melamine resin adhesive contains a small amount of formaldehyde, the characteristics of no formaldehyde added to the formaldehyde-free glue-based wood-based panels are affected. After compounding polyurethane resin and decorative paper, it is of great significance to veneer the formaldehyde-free glue-based wood-based panels. In addition, in view of the disadvantage of poor wear resistance of formaldehyde-free polyurethane resin, 1-5% nanofibers are added to formaldehyde-free polyurethane resin Plain whiskers can improve the wear resistance of its surface, solve the problem of free formaldehyde at the same time, improve the indoor environmental quality, and expand the application range of formaldehyde-free glue-based wood-based panels.

发明内容Contents of the invention

本发明提出的是耐磨聚氨酯浸渍装饰纸贴面无醛胶人造板的制造方法，其目的旨在提供一种无甲醛耐磨装饰纸贴面人造板，在提高无醛胶人造板表面耐磨性能、装饰性能的同时解决游离甲醛的问题，提高室内环境质量，扩大无醛胶人造板的使用范围。The present invention proposes a method for manufacturing a wear-resistant polyurethane impregnated decorative paper veneered wood-based panel with no formaldehyde glue. It solves the problem of free formaldehyde while improving performance and decoration performance, improves indoor environmental quality, and expands the use range of formaldehyde-free glue-based wood-based panels.

本发明的技术解决方案：耐磨聚氨酯浸渍装饰纸贴面无醛胶人造板的制造方法，该方法包括如下工艺步骤：Technical solution of the present invention: a method for manufacturing a wear-resistant polyurethane impregnated decorative paper veneer formaldehyde-free glue-based wood-based panel, the method includes the following process steps:

（1）耐磨聚氨酯树脂的调制；(1) Preparation of wear-resistant polyurethane resin;

（2）耐磨聚氨酯树脂浸渍装饰纸制备；(2) Preparation of wear-resistant polyurethane resin impregnated decorative paper;

（3）无醛胶人造板的贴面加工。(3) Veneer processing of formaldehyde-free glue-based wood-based panels.

本发明的优点：Advantages of the present invention:

1）具有无添加甲醛的环保特点，能解决游离甲醛的问题，提高室内环境质量；1) It has the environmental protection feature of no added formaldehyde, which can solve the problem of free formaldehyde and improve the quality of indoor environment;

2）针对无醛聚氨酯树脂耐磨性能较差的缺点，在无醛聚氨酯树脂中加入1-5% 纳米纤维素晶须，可以提高其表面耐磨性能，扩大无醛胶人造板的使用范围。2) In view of the disadvantage of poor wear resistance of formaldehyde-free polyurethane resin, adding 1-5% nano-cellulose whiskers to formaldehyde-free polyurethane resin can improve its surface wear resistance and expand the application range of formaldehyde-free glue-based wood-based panels.

具体实施方式Detailed ways

耐磨聚氨酯浸渍装饰纸贴面无醛胶人造板的制造方法，该方法包括如下工艺步骤：A method for manufacturing a wear-resistant polyurethane impregnated decorative paper veneer formaldehyde-free glue-based wood-based panel, the method includes the following process steps:

（1）耐磨聚氨酯树脂的调制；(1) Preparation of wear-resistant polyurethane resin;

（2）耐磨聚氨酯树脂浸渍装饰纸制备；(2) Preparation of wear-resistant polyurethane resin impregnated decorative paper;

（3）无醛胶人造板的贴面加工。 (3) Veneer processing of formaldehyde-free glue-based wood-based panels.

所述步骤（1）耐磨聚氨酯树脂的调制：在无醛聚氨酯树脂中加入占无醛聚氨酯树脂重量的1-5% 纳米纤维素晶须，可以使其耐磨性能比普通聚氨酯树脂油漆表面提高30-60%。The step (1) preparation of wear-resistant polyurethane resin: adding 1-5% of the weight of the formaldehyde-free polyurethane resin to the formaldehyde-free polyurethane resin nano-cellulose whiskers can make its wear resistance better than that of ordinary polyurethane resin paint surface 30-60%.

所述步骤（2）耐磨聚氨酯树脂浸渍装饰纸制备，由以下步骤组成：The step (2) preparation of wear-resistant polyurethane resin impregnated decorative paper consists of the following steps:

（1）选择定量为70 — 140 g /m2装饰纸；(1) Choose a decorative paper with a weight of 70-140 g/m2;

（2）将装饰纸浸入已经添加占无醛聚氨酯树脂重量1-5% 纳米纤维素晶须的无醛聚氨酯树脂中2-4小时，制得耐磨聚氨酯树脂浸渍装饰纸；(2) Immerse the decorative paper in the formaldehyde-free polyurethane resin to which 1-5% of the weight of the formaldehyde-free polyurethane resin has been added with nano-cellulose whiskers for 2-4 hours to obtain a wear-resistant polyurethane resin-impregnated decorative paper;

（3）将耐磨聚氨酯树脂浸渍装饰纸放入烘箱在100℃-120℃下干燥处理5-10分钟，使其残留挥发份达到5-10%。(3) Put the decorative paper impregnated with wear-resistant polyurethane resin into an oven and dry it at 100°C-120°C for 5-10 minutes to make the residual volatile matter reach 5-10%.

所述步骤（3）无醛胶人造板的贴面加工，由以下步骤组成：The step (3) veneer processing of the formaldehyde-free glue wood-based panel consists of the following steps:

（1）选择异氰酸酯或无甲醛豆胶制造的人造板；(1) Choose wood-based panels made of isocyanate or formaldehyde-free bean gum;

（2）通过表面砂光提高表面光洁度；(2) Improve the surface finish by surface sanding;

（3）将干燥处理后的具有耐磨聚氨酯树脂浸渍装饰纸与砂光后的无醛胶人造板组坯后热压：热压温度130℃-180℃，热压热压时间1-5分钟，热压压力0.5-1.5MPa。(3) After drying, the wear-resistant polyurethane resin impregnated decorative paper and the sanded formaldehyde-free glue-based wood-based panel are assembled and hot-pressed: hot-pressing temperature 130°C-180°C, hot-pressing time 1-5 minutes , hot pressing pressure 0.5-1.5MPa.

所述的异氰酸酯或无甲醛豆胶制造的人造板为异氰酸酯或无甲醛豆胶制造的无醛胶刨花板、胶合板、纤维板等。The artificial board made of isocyanate or formaldehyde-free bean gum is formaldehyde-free particleboard, plywood, fiberboard, etc. made of isocyanate or formaldehyde-free bean gum.

具有吸附二氧化碳功能的丙烯酸树脂装饰纸贴面无醛胶人造板具有无添加甲醛的环保特点，同时针对无醛聚氨酯树脂耐磨性能较差的缺点，在无醛聚氨酯树脂中加入1-5% 纳米纤维素晶须，可以提高其表面耐磨性能，扩大无醛胶人造板的使用范围，同时解决游离甲醛的问题，提高室内环境质量。The acrylic resin decorative paper veneer formaldehyde-free glue wood-based panel with the function of absorbing carbon dioxide has the environmental protection characteristics of no added formaldehyde. At the same time, for the disadvantage of poor wear resistance of the formaldehyde-free polyurethane resin, 1-5% nanometer is added to the formaldehyde-free polyurethane resin Cellulose whiskers can improve the wear resistance of the surface, expand the use of formaldehyde-free glue-based panels, solve the problem of free formaldehyde, and improve the quality of the indoor environment.

下面结合实施例对本发明作进一步说明。The present invention will be further described below in conjunction with embodiment.

实施例1Example 1

制造耐磨聚氨酯浸渍装饰纸贴面无醛胶人造板的方法，包括如下工艺步骤：A method for manufacturing a wear-resistant polyurethane impregnated decorative paper veneer formaldehyde-free glue-based wood-based panel, comprising the following process steps:

（1）在无醛聚氨酯树脂中加入占无醛聚氨酯树脂重量2%的纳米纤维素晶须，制得耐磨聚氨酯树脂；(1) adding nano-cellulose whiskers accounting for 2% of the weight of the formaldehyde-free polyurethane resin to the formaldehyde-free polyurethane resin to obtain a wear-resistant polyurethane resin;

（2）选择定量为70 g /m2装饰纸；( 2 ) Choose decorative paper with a basis weight of 70 g/m2;

（3）将装饰纸浸入已经添加占无醛聚氨酯树脂重量2%纳米纤维素晶须的聚氨酯树脂中2小时，再放入烘箱在100℃下干燥处理10分钟，使其残留挥发份达到5-10%，制得具有耐磨性能的无醛聚氨酯树脂浸渍装饰纸；(3) Immerse the decorative paper in the polyurethane resin that has been added with 2% nano-cellulose whiskers accounting for the weight of the formaldehyde-free polyurethane resin for 2 hours, then put it in an oven and dry it at 100°C for 10 minutes, so that the residual volatile content reaches 5- 10%, made formaldehyde-free polyurethane resin impregnated decorative paper with wear resistance;

（4）选择异氰酸酯或无甲醛豆胶制造的无醛胶刨花板；(4) Choose formaldehyde-free particleboard made of isocyanate or formaldehyde-free bean gum;

（5）通过表面砂光提高表面光洁度；(5) Improve the surface finish by surface sanding;

（6）将干燥处理后的具有耐磨性能的无醛聚氨酯树脂浸渍装饰纸与砂光后的无醛胶刨花板组坯后热压，热压温度150℃，热压时间1分钟，热压压力0.8MPa。(6) Hot-press the dried formaldehyde-free polyurethane resin-impregnated decorative paper with wear resistance and sanded formaldehyde-free particleboard and hot press at 150°C for 1 minute. 0.8 MPa.

实施例2Example 2

制造耐磨聚氨酯浸渍装饰纸贴面无醛胶人造板的方法，包括如下工艺步骤：A method for manufacturing a wear-resistant polyurethane impregnated decorative paper veneer formaldehyde-free glue-based wood-based panel, comprising the following process steps:

（1）在无醛聚氨酯树脂中加入占无醛聚氨酯树脂重量3%的纳米纤维素晶须，制得耐磨聚氨酯树脂；(1) adding nano-cellulose whiskers accounting for 3% of the weight of the formaldehyde-free polyurethane resin to the formaldehyde-free polyurethane resin to obtain a wear-resistant polyurethane resin;

（2）选择定量为140g /m2装饰纸；( 2 ) Select a decorative paper with a weight of 140g/m2;

（3）将装饰纸浸入已经添加占无醛聚氨酯树脂重量3%纳米纤维素晶须的聚氨酯树脂中2小时，再放入烘箱在110℃下干燥处理8分钟，使其残留挥发份达到5-10%，制得具有耐磨性能的无醛聚氨酯树脂浸渍装饰纸；(3) Immerse the decorative paper in the polyurethane resin that has added 3% nano-cellulose whiskers accounting for the weight of the formaldehyde-free polyurethane resin for 2 hours, and then put it in an oven and dry it at 110°C for 8 minutes to make the residual volatile matter reach 5- 10%, made formaldehyde-free polyurethane resin impregnated decorative paper with wear resistance;

（4）选择异氰酸酯或无甲醛豆胶制造的无醛胶刨花板；(4) Choose formaldehyde-free particleboard made of isocyanate or formaldehyde-free bean gum;

（5）通过表面砂光提高表面光洁度；(5) Improve the surface finish by surface sanding;

（6）将干燥处理后的具有耐磨性能的无醛聚氨酯树脂浸渍装饰纸与砂光后的无醛胶刨花板组坯后热压，热压温度160℃，热压时间0.8分钟，热压压力0.9MPa。(6) Hot press the dried formaldehyde-free polyurethane resin-impregnated decorative paper with wear resistance and sanded formaldehyde-free particleboard and hot press at 160°C for 0.8 minutes. 0.9 MPa.

Claims (1)

1. manufacturing method of the abrasion resistant polyurethane dipping decorative paper veneer without aldehyde glue wood-based plate, it is characterized in that this method includes following work Skill step:
(1) it the modulation of abrasion resistant polyurethane resin: is added in no aldehyde polyurethane resin and accounts for receiving for no aldehyde polyurethane resin weight 2% Rice cellulose whiskers；
(2) prepared by abrasion resistant polyurethane resin dipping decorative paper: selecting quantification of 70g/m2Facing paper；Facing paper immersion has been added Add in the polyurethane resin for accounting for the nano-cellulose whisker of no aldehyde polyurethane resin weight 2% 2 hours, places into baking oven 100 It is dried 10 minutes at DEG C, its residual volatile component is made to reach 5-10%, soaking without aldehyde polyurethane resin with wear-resisting property is made Stain facing paper；
(3) the veneer processing without aldehyde glue wood-based plate: selection isocyanates or the wood-based plate of formaldehydeless bean gum manufacture；Pass through surface sand Light improves surface smoothness；By after drying process with wear-resisting property without aldehyde polyurethane resin dipping decorative paper and sanding after Without hot pressing after aldehyde glue particieboard assembly, 150 DEG C of hot pressing temperature, hot pressing time 1 minute, hot pressing pressure 0.8MPa；
Or the modulation of (1) abrasion resistant polyurethane resin: it is added in no aldehyde polyurethane resin and accounts for the 3% of no aldehyde polyurethane resin weight Nano-cellulose whisker；
(2) prepared by abrasion resistant polyurethane resin dipping decorative paper: selecting quantification of 140g/m2Facing paper；Facing paper immersion has been added Add in the polyurethane resin for accounting for no 3% nano-cellulose whisker of aldehyde polyurethane resin weight 2 hours, places into baking oven at 110 DEG C It is lower to be dried 8 minutes, so that its residual volatile component is reached 5-10%, impregnating without aldehyde polyurethane resin with wear-resisting property is made Facing paper；
(3) the veneer processing without aldehyde glue wood-based plate: selection isocyanates or the wood-based plate of formaldehydeless bean gum manufacture；Pass through surface sand Light improves surface smoothness；By after drying process with wear-resisting property without aldehyde polyurethane resin dipping decorative paper and sanding after Without hot pressing after aldehyde glue particieboard assembly, 160 DEG C of hot pressing temperature, hot pressing time 0.8 minute, hot pressing pressure 0.9MPa；
The isocyanates or the wood-based plate of formaldehydeless bean gum manufacture are digging without aldehyde glue of manufacturing of isocyanates or formaldehydeless bean gum Card or without aldehyde glue glued adhesion plate or without aldehyde glue fibre board.
CN201610965800.6A 2016-11-01 2016-11-01 Manufacturing method of wear-resistant polyurethane impregnated decorative paper veneer formaldehyde-free glue-based wood-based panel Expired - Fee Related CN106393297B (en)

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