CN104647485A - 一种牢度强且环保木工板加工工艺 - Google Patents

一种牢度强且环保木工板加工工艺 Download PDF

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CN104647485A
CN104647485A CN201310592217.1A CN201310592217A CN104647485A CN 104647485 A CN104647485 A CN 104647485A CN 201310592217 A CN201310592217 A CN 201310592217A CN 104647485 A CN104647485 A CN 104647485A
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孙晶利
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Qingdao Ren Jie Trade 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/346—Clay
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/17—Amines; Quaternary ammonium compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
    • C08K5/41—Compounds containing sulfur bound to oxygen
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/04—Non-macromolecular additives inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/06—Non-macromolecular additives organic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J161/00—Adhesives based on condensation polymers of aldehydes or ketones; Adhesives based on derivatives of such polymers
    • C09J161/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C09J161/22—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
    • C09J161/24—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with urea or thiourea

Abstract

本发明公开了一种牢度强且环保木工板加工工艺，其特征在于，所述加工工艺包括如下步骤：（1）原料预处理（2）制木芯板（3）制涂胶（4）粘接除挥发物：将方材通过涂胶和木芯板粘接，进行强制冷却并通风。本发明加工的木工板牢度强，质量好，不易弯曲变形，采用强制通风冷却降低成品的游离甲醛的含量，环保无污染，成品的光洁度、平整度较好，本发明制作工艺简单，制造成本低，生产效率高，极大的提高木工板产品的质量，使消费者能买到放心的木工板材。

Description

一种牢度强且环保木工板加工工艺
技术领域
    本发明属于木工板材加工技术领域，具体涉及一种牢度强且环保木工板加工工艺。
背景技术
     木材具有重量轻、强重比高、弹性好、耐冲击纹理色调丰富美观、加工容易等优点，从古至今都被列为重要的原材料，木材工业由于能源消耗低、污染少、资源有再生性，在国民经济中占非常重要地位。
产品已从原木的初加工品如电杆、坑木、枕木等各种锯材，发展到成材的再加工品，如胶合板、纤维板、刨花板等各种人造板，从而使木材工业形成独立的工业体系。木材胶粘剂与胶合技术的出现与发展，不仅是木材加工技术水平提高的主要因素，也是再造木材和改良木材，如各种层积木、胶合木等产品生产的前提。木材表面涂饰最初是以保护木材为目的，如传统的桐油和生漆涂刷；后来逐渐演变为以装饰性为主，实际上任何表面装饰都兼有保护作用。
现有的木工板中，部分质量差的木工板中间的芯板会有多处空心，拿去加工就会影响板材的加工质量，容易造成消费者花了大价钱却得到的是次品细木工板等情况，严重地损害了消费者的合法权益。
现有技术中组坯配板的涂胶配方中，采用高醛脲醛树脂胶粘剂，在加工过程中又没有进行降醛处理，造成成品游离甲醛释放量过高，利用上述加工工艺制作的细木工板作为室内装饰材料，对人的健康不利。
如何能生产一定厚度的、表面平整光滑的板材，能方便地加工制作各种形状的拼接板，实现其牢度好，易加工，方便拼接同时又具备环保功能，对环境污染小具有重要意义。
发明内容
    本发明的目的在于克服上述存在的不足，而提供一种牢度强且环保木工板加工工艺，实现产品中游离甲醛释放量低，成品的光洁度、平整度较好，提高生产效率、环保及牢固度强的效果。
本发明采取的技术方案为：
一种牢度强且环保木工板加工工艺，其特征在于，所述加工工艺包括如下步骤：
（1）原料预处理：将木料用水浸6-7天，含水率在40%以上，再经温度为110-120℃的水煮沸2-2.5h，温度降到65-70℃时，进入干燥窑在110-120℃温度下干燥2-3天，使含水量为12-13%，用压刨机刨成9-12cm厚度的方材；
（2）制木芯板：将木皮贴上一层橡木皮，再上胶后贴上一层面皮，经平压有温度1000℃的热压块高温热固4-5min，在冷压机上上下平压9-10h；
（3）制涂胶：按照重量分配比如下:低醛脲醛树脂100份、填充剂25-30份、固化剂0.5-0.6份，将上述原料升高温度为45-55℃搅拌制成；
（4）粘接除挥发物：将上述处理的方材上下两面刨平砂光整型，控制温度为55-60℃，通过涂胶和木芯板粘接，对粘接好的层板进行强制冷却至8-10℃并通风30-40min。
上述步骤（3）中的固化剂为乙烯基三胺、二乙烯三胺、二甲胺基丙胺或二氨基二苯基砜中的一种或多种。
上述步骤（3）中的填充剂为膨润土、硅藻土或石英粉。
本发明的有益效果：
本发明加工的木工板牢度强，质量好，不易弯曲变形，采用强制通风冷却降低成品的游离甲醛的含量，环保无污染，成品的光洁度、平整度较好，本发明制作工艺简单，制造成本低，生产效率高，极大的提高木工板产品的质量，使消费者能买到放心的木工板材。
具体实施方式
实施例1
一种牢度强且环保木工板加工工艺，其特征在于，所述加工工艺包括如下步骤：
（1）原料预处理：将木料用水浸6天，含水率在40%以上，再经温度为110℃的水煮沸2.5h，温度降到65℃时，进入干燥窑在120℃温度下干燥2天，使含水量为12-13%，用压刨机刨成10cm厚度的方材；
（2）制木芯板：将木皮贴上一层橡木皮，再上胶后贴上一层面皮，经平压有温度1000℃的热压块高温热固4min，在冷压机上上下平压10h；
（3）制涂胶：按照重量分配比如下:低醛脲醛树脂100份、膨润土25份、乙烯基三胺0.5份，将上述原料升高温度为45℃搅拌制成；
（4）粘接除挥发物：将上述处理的方材上下两面刨平砂光整型，控制温度为60℃，通过涂胶和木芯板粘接，对粘接好的层板进行强制冷却至10℃并通风30min。
实施例2
一种牢度强且环保木工板加工工艺，其特征在于，所述加工工艺包括如下步骤：
（1）原料预处理：将木料用水浸7天，含水率在40%以上，再经温度为120℃的水煮沸2h，温度降到70℃时，进入干燥窑在110℃温度下干燥3天，使含水量为12-13%，用压刨机刨成10cm厚度的方材；
（2）制木芯板：将木皮贴上一层橡木皮，再上胶后贴上一层面皮，经平压有温度1000℃的热压块高温热固5min，在冷压机上上下平压9h；
（3）制涂胶：按照重量分配比如下:低醛脲醛树脂100份、硅藻土25份、二氨基二苯基砜0.6份，将上述原料升高温度为50℃搅拌制成；
（4）粘接除挥发物：将上述处理的方材上下两面刨平砂光整型，控制温度为60℃，通过涂胶和木芯板粘接，对粘接好的层板进行强制冷却至8℃并通风40min。

Claims (3)

1.一种牢度强且环保木工板加工工艺，其特征在于，所述加工工艺包括如下步骤：
（1）原料预处理：将木料用水浸6-7天，含水率在40%以上，再经温度为110-120℃的水煮沸2-2.5h，温度降到65-70℃时，进入干燥窑在110-120℃温度下干燥2-3天，使含水量为12-13%，用压刨机刨成9-12cm厚度的方材；
（2）制木芯板：将木皮贴上一层橡木皮，再上胶后贴上一层面皮，经平压有温度1000℃的热压块高温热固4-5min，在冷压机上上下平压9-10h；
（3）制涂胶：按照重量分配比如下:低醛脲醛树脂100份、填充剂25-30份、固化剂0.5-0.6份，将上述原料升高温度为45-55℃搅拌制成；
（4）粘接除挥发物：将上述处理的方材上下两面刨平砂光整型，控制温度为55-60℃，通过涂胶和木芯板粘接，对粘接好的层板进行强制冷却至8-10℃并通风30-40min。
2.根据权利要求1所述的一种牢度强且环保木工板加工工艺，其特征在于，所述步骤（3）中的固化剂为乙烯基三胺、二乙烯三胺、二甲胺基丙胺或二氨基二苯基砜中的一种或多种。
3.根据权利要求1所述的一种牢度强且环保木工板加工工艺，其特征在于，所述步骤（3）中的填充剂为膨润土、硅藻土或石英粉。
CN201310592217.1A 2013-11-22 2013-11-22 一种牢度强且环保木工板加工工艺 Pending CN104647485A (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105969274A (zh) * 2016-06-16 2016-09-28 徐州华克木业有限公司 一种碳化胶合板专用胶水及碳化胶合板的制备方法
CN107891503A (zh) * 2017-10-24 2018-04-10 王德善 一种环保板材及其制备方法
CN110466006A (zh) * 2018-05-09 2019-11-19 南京史丹利装饰材料有限公司 一种多侧板贴木皮制备工艺

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105969274A (zh) * 2016-06-16 2016-09-28 徐州华克木业有限公司 一种碳化胶合板专用胶水及碳化胶合板的制备方法
CN105969274B (zh) * 2016-06-16 2018-07-17 徐州华克木业有限公司 一种碳化胶合板专用胶水及碳化胶合板的制备方法
CN107891503A (zh) * 2017-10-24 2018-04-10 王德善 一种环保板材及其制备方法
CN110466006A (zh) * 2018-05-09 2019-11-19 南京史丹利装饰材料有限公司 一种多侧板贴木皮制备工艺

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