CN107776085A - 浸渍纸饰面无甲醛胶合板及其制作工艺 - Google Patents

浸渍纸饰面无甲醛胶合板及其制作工艺 Download PDF

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CN107776085A
CN107776085A CN201711209113.2A CN201711209113A CN107776085A CN 107776085 A CN107776085 A CN 107776085A CN 201711209113 A CN201711209113 A CN 201711209113A CN 107776085 A CN107776085 A CN 107776085A
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formaldehyde
adhesive
thermoplastic resin
resin membrane
bonding
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杨奠基
石延芳
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Dongying Sheng Based Environmental Engineering Co ltd
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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
    • 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
    • B27D1/06—Manufacture of central layers; Form of central layers
    • 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
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/042—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of wood
    • 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
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/06—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • 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
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/14—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood board or veneer
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • B32B37/1207—Heat-activated adhesive
    • B32B2037/1215—Hot-melt adhesive
    • 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
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/08—Coating on the layer surface on wood layer
    • 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
    • B32B2607/00—Walls, panels

Abstract

一种浸渍纸饰面无甲醛胶合板及其制作工艺，所用的黏合材料由热塑性树脂薄膜与非甲醛类热固性液体胶黏剂配合使用。其上下表面各两层的粘合使用非甲醛类热固性液体胶黏剂；内部的其他层的黏合，使用热塑性树脂薄膜。通过热塑性树脂薄膜与非甲醛类热固性液体胶黏剂配合使用，降低了无甲醛胶合板生产成本的同时，有效解决了单纯使用热塑性薄膜生产的胶合板用浸渍纸饰面后龟裂问题。

Description

浸渍纸饰面无甲醛胶合板及其制作工艺
技术领域
本发明人造板行业中的人造板领域，涉及一种装饰装修或家具制作用无甲醛胶合板。
背景技术
胶合板是我国人造板生产中的主要品种，以往主要是通过用甲醛类胶粘剂（酚醛树脂胶粘剂、脲醛树脂胶粘剂或三聚氰胺改性的脲醛树脂胶粘剂）粘结旋切单板制取，但由于最突出的问题是释放出的游离酚和游离甲醛对人体会产生巨大的危害，因此近年来人们开始着手研究非甲醛类粘结材料生产胶合板。目前国内的主要研究方向有大豆蛋白胶粘剂生产胶合板、水性聚氨酯胶粘剂生产胶合板、改性淀粉胶粘剂生产胶合板、热塑性薄膜生产胶合板等。
由于热塑性薄膜综合成本较低，将是今后的重要发展方向。但是目前应用热塑性薄膜生产的胶合板生产过程中均须经过170℃左右的高温，使胶合板的水份和韧性发生了改变，在后期使用浸渍纸饰面后容易产生龟裂，影响了饰面胶合板的使用。因此，解决浸渍纸饰面后容易产生龟裂的问题，是关系到热塑性薄膜在胶合板生产中推广应用的关键。
发明内容
本发明的目的在于改进现有技术的不足，而提供一种浸渍纸饰面无甲醛胶合板及其制作工艺，所用的黏合材料由热塑性树脂薄膜与非甲醛类热固性液体胶黏剂配合使用，具体的是其上下表面各两层的粘合使用非甲醛类热固性液体胶黏剂；内部的其他层的黏合，使用热塑性树脂薄膜。其制作工艺为：首先采用热塑性树脂薄膜制作胶合板的芯板，按照设计的厚度定厚砂光，再在上下两面使用非甲醛类热固性液体胶黏剂各粘贴一层旋切单板和一层装饰薄木；经修整抛光后再压贴饰面浸渍纸。
所述的热塑性树脂薄膜，可以是聚乙烯薄膜、聚丙烯薄膜、聚苯乙烯薄膜、VAE热熔膜以及它们的改性材料；可以是其中的一种或几种的混合材料，也可以是几种膜材料配合使用。
所述的非甲醛类热固性液体胶黏剂，可以是水性异氰酸酯胶黏剂（EPI）、改性大豆蛋白胶黏剂、改性玉米淀粉胶黏剂、生物单宁类胶黏剂、液化木质素类胶黏剂以及它们的混合或相互改性材料；可以是其中的一种或几种的混合材料，也可以是几种材料的配合使用。
通过其上下表面各两层的粘合使用非甲醛类热固性液体胶黏剂，有效解决了单纯使用热塑性薄膜制作的胶合板用浸渍纸饰面后的表面龟裂问题。
附图说明
图 1使用热塑性树脂薄膜生产无甲醛芯板结构示意图。其中1为旋切单板，2为热塑性树脂薄膜。
图2 是使用非甲醛类热固性液体胶黏剂再次组坯示意图。其中3为装饰薄木，4为旋切单板，5为非甲醛类热固性液体胶黏剂层，6为经定厚砂光的采用热塑性树脂薄膜制作胶合板的芯板。
具体实施方式
下面通过附图和实施例，对本发明的技术方案做进一步的详细描述。
实施例
以生产18mm多层胶合板为例，首先用旋切单板1与热塑性树脂薄膜2（图1）层向交替组坯，旋切单板可以是7－9层，经热压→冷压→修板→定厚砂光→养生等工序，制做无甲醛芯板；再将芯板涂布非甲醛类热固性液体胶后，两面各压贴一层旋切单板，旋切单板的厚度不小于1mm，经冷压→热压→修板→砂光→养生等工序，制作二次芯板；再将二次芯板涂布非甲醛类热固性液体胶后，两面各压贴一层装饰薄木，装饰薄木的厚度小于1mm，可以是整张的旋切薄木，也可以是单板重组木（科技木）经冷压→热压→修板→抛光→养生等工序，制作三次芯板；最后在三次芯板的上下两面，经热压覆贴饰面浸渍纸，即得到浸渍纸饰面无甲醛胶合板。

Claims (5)

1.一种浸渍纸饰面无甲醛胶合板，其特征在于在胶合板的制作过程中，所用的黏合材料由热塑性树脂薄膜与非甲醛类热固性液体胶黏剂配合使用。
2.根据权利要求1所述的无甲醛胶合板，其上下表面各两层的粘合使用非甲醛类热固性液体胶黏剂；内部的其他层的黏合，使用热塑性树脂薄膜。
3.根据权利要求1所述的热塑性树脂薄膜，可以是聚乙烯薄膜、聚丙烯薄膜、聚苯乙烯薄膜、VAE热熔膜以及它们的改性材料；可以是其中的一种或几种的混合材料，也可以是几种膜材料配合使用。
4.根据权利要求1所述的非甲醛类热固性液体胶黏剂，可以是水性异氰酸酯胶黏剂（EPI）、改性大豆蛋白胶黏剂、改性玉米淀粉胶黏剂、生物单宁类胶黏剂、液化木质素类胶黏剂以及它们的混合或相互改性材料；可以是其中的一种或几种的混合材料，也可以是几种材料的配合使用。
5.根据权利要求1所述的一种无甲醛胶合板，其制作工艺为：首先采用热塑性树脂薄膜制作胶合板的芯板，按照设计的厚度定厚砂光，再在上下两面使用非甲醛类热固性液体胶黏剂各粘贴一层旋切单板和一层装饰薄木；在此基础上单面或双面粘贴无甲醛胶浸渍的木纹装饰纸，制作成浸渍纸饰面胶合板。
CN201711209113.2A 2017-11-28 2017-11-28 浸渍纸饰面无甲醛胶合板及其制作工艺 Withdrawn CN107776085A (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109483660A (zh) * 2018-11-15 2019-03-19 中国林业科学研究院木材工业研究所 生态板及其制备方法
CN109605535A (zh) * 2018-10-11 2019-04-12 南宁科天水性科技有限责任公司 一种使用生物基无醛胶的超薄竹木纤维板及其制造方法
CN114347194A (zh) * 2021-12-27 2022-04-15 广东泰扬木业科技有限公司 一种无醛pe热熔胶膜板制造工艺

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109605535A (zh) * 2018-10-11 2019-04-12 南宁科天水性科技有限责任公司 一种使用生物基无醛胶的超薄竹木纤维板及其制造方法
CN109483660A (zh) * 2018-11-15 2019-03-19 中国林业科学研究院木材工业研究所 生态板及其制备方法
CN114347194A (zh) * 2021-12-27 2022-04-15 广东泰扬木业科技有限公司 一种无醛pe热熔胶膜板制造工艺

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