CN109227791B - 一种防水胶合板 - Google Patents
一种防水胶合板 Download PDFInfo
- Publication number
- CN109227791B CN109227791B CN201811010327.1A CN201811010327A CN109227791B CN 109227791 B CN109227791 B CN 109227791B CN 201811010327 A CN201811010327 A CN 201811010327A CN 109227791 B CN109227791 B CN 109227791B
- Authority
- CN
- China
- Prior art keywords
- mass
- mixture
- waterproof
- parts
- polyethylene glycol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
-
- 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
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/025—Controlling the process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/52—Impregnating agents containing mixtures of inorganic and organic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/003—Treating of wood not provided for in groups B27K1/00, B27K3/00 by using electromagnetic radiation or mechanical waves
- B27K5/0065—Ultrasonic treatment
-
- 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
- B32B21/13—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board all layers being exclusively 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
- B32B21/14—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
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4833—Polyethers containing oxyethylene units
-
- 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
- C09J11/08—Macromolecular additives
-
- 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
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
本发明公开了一种防水胶合板,涉及胶合板技术领域,由三层薄基板通过防水胶黏剂均匀施胶后,经过粘结后复合,再进行热压制成防水三合板;本发明制备的防水胶合板不仅具有良好的胶合强度,同时还具有良好的防水性能。
Description
技术领域
本发明属于胶合板技术领域,具体涉及一种防水胶合板。
背景技术
胶合板是家具常用材料之一,为人造板三大板之一,亦可供飞机、船舶、火车、汽车、建筑和包装箱等作用材。一组单板通常按相邻层木纹方向互相垂直组坯胶合而成,通常其表板和内层板对称地配置在中心层或板芯的两侧。用涂胶后的单板按木纹方向纵横交错配成的板坯,在加热或不加热的条件下压制而成。层数一般为奇数,少数也有偶数。纵横方向的物理、机械性质差异较小。常用的胶合板类型有三合板、五合板等。胶合板能提高木材利用率,是节约木材的一个主要途径。
由于现有胶合板所采用的胶黏剂防水性较差,从而导致制成的胶合板防水性同样较差,尤其是在户外或湿气较大的环境下长期使用,极易使得胶合板脱胶,导致力学性能大幅度的降低。
发明内容
本发明的目的是针对现有的问题,提供了一种防水胶合板。
本发明是通过以下技术方案实现的:
一种防水胶合板,由三层薄基板通过防水胶黏剂均匀施胶后,经过粘结后复合,再进行热压制成防水三合板;所述热压成形的温度为80℃,压力为5.5MPa,压制时间为40min。
进一步的,所述三层薄基板由杨木板制成。
进一步的,所述杨木板经过预处理:
将杨木板放入到硫代硫酸钠复合液中浸泡处理35-38min,温度保温在55-60℃,然后再进行超声波处理130s,再进行过滤,烘干至恒重,即可,所述硫代硫酸钠复合液按重量份计由以下成分制成:4-6份聚甘油脂肪酸酯、3-5份磷酸、6-8份硫代硫酸钠、0.12-0.16份二亚乙基三胺、50-52份去离子水。
进一步的,所述超声波频率为35kHz,功率为800W。
进一步的,所述防水胶黏剂制备方法包括以下步骤:
将聚乙二醇、聚酯二元醇、羧酸型亲水性扩链剂按1:2:0.02摩尔比混合后再添加到丙酮中,所述聚乙二醇添加量为丙酮质量的10%,搅拌均匀后,再添加丙酮质量0.75%的改性纳米石墨烯,然后再加入二异氰酸酯和催化剂,所述二异氰酸酯与聚乙二醇摩尔比为0.7:1.2,所述催化剂质量为二异氰酸酯质量的5%,然后水浴加热至88℃,以300r/min转速搅拌2小时,得到聚合液,再向聚合液中添加其质量1.8%的环氧氯丙烷和5%的松香树脂,调节温度至72℃,以2500r/min转速搅拌1.2小时,然后再添加聚乙二醇质量3倍的去离子水,继续搅拌30min,通过减压蒸馏去除有机溶剂,即得。
进一步的,所述改性纳米石墨烯制备方法为:
将纳米石墨烯按65g:250mL的比例均匀分散到质量分数为5.5%的磷酸/磷酸二氢钠溶液中,在90℃下保温搅拌40min,然后进行抽滤,烘干至恒重后,再在常压下采用N2/O2低温等离子体对抽滤干燥后的纳米石墨烯进行处理,即得改性纳米石墨烯。
进一步的,所述磷酸/磷酸二氢钠溶液中磷酸、磷酸二氢钠、水混合质量比为5:3:50。
进一步的,所述低温等离子体中气体流量氮气为0.42mL/min、氧气为0.12mL/min,处理时间为3min,功率依次为75W。
进一步的,所述防水胶黏剂施胶量为315g/m²。
有益效果:本发明制备的防水胶合板不仅具有良好的胶合强度,同时还具有良好的防水性能,从而极大的扩大了胶合板的应用范围;本发明中采用的防水胶黏剂具有优异的初粘力,可见其具有良好的粘结性能,能够有效的提高胶合板的胶合强度,同时可以看出,改性纳米石墨烯与环氧氯丙烷在防水胶黏剂中具有显著提高初粘力的作用,本发明通过在防水胶黏剂制备过程中,通过添加一定量的经过改性处理的纳米石墨烯,改性后的纳米石墨烯表面具有较强的活性基团,在胶黏剂制备过程中添加,通过与聚乙二醇与聚酯二元醇相匹配,通过改性纳米石墨烯起到封端特化效果,具有一定的诱导结晶作用,显著的改善了胶黏剂的粘结性能,并且,能够一定程度与胶黏剂分子中亲水基相结合,形成化学键,降低了胶黏剂中亲水基数量,通过添加环氧氯丙烷的协同作用,环氧氯丙烷上有活泼的氯基和环氧基,在添加一定量的松香树脂的条件下,以环氧氯丙烷为连接桥梁,将松香树脂分子链与胶黏剂分子链上的羟基发生交联连接,形成了网状交联结构,从而能够阻止水分子进入,进而提高胶合板的防水性,再利用经过交联连接的分子链与胶黏剂中未经过交联连接的分子链之间形成内氢键,分子相互之间粘结力大幅度增强增强,从而极大的增强了与板材中纤维的胶合力,再次提高胶合板的防水性。
具体实施方式
实施例1
一种防水胶合板,由三层薄基板通过防水胶黏剂均匀施胶后,经过粘结后复合,再进行热压制成防水三合板。
进一步的,所述三层薄基板由杨木板制成。
进一步的,所述杨木板经过预处理:
将杨木板放入到硫代硫酸钠复合液中浸泡处理35min,温度保温在55℃,然后再进行超声波处理130s,再进行过滤,烘干至恒重,即可,所述硫代硫酸钠复合液按重量份计由以下成分制成:4份聚甘油脂肪酸酯、3份磷酸、6份硫代硫酸钠、0.12份二亚乙基三胺、50份去离子水。
进一步的,所述超声波频率为35kHz,功率为800W。
进一步的,所述防水胶黏剂制备方法包括以下步骤:
将聚乙二醇、聚酯二元醇、羧酸型亲水性扩链剂按1:2:0.02摩尔比混合后再添加到丙酮中,所述聚乙二醇添加量为丙酮质量的10%,搅拌均匀后,再添加丙酮质量0.75%的改性纳米石墨烯,然后再加入二异氰酸酯和催化剂,所述二异氰酸酯与聚乙二醇摩尔比为0.7:1.2,所述催化剂质量为二异氰酸酯质量的5%,然后水浴加热至88℃,以300r/min转速搅拌2小时,得到聚合液,再向聚合液中添加其质量1.8%的环氧氯丙烷和5%的松香树脂,调节温度至72℃,以2500r/min转速搅拌1.2小时,然后再添加聚乙二醇质量3倍的去离子水,继续搅拌30min,通过减压蒸馏去除有机溶剂,即得。
进一步的,所述改性纳米石墨烯制备方法为:
将纳米石墨烯按65g:250mL的比例均匀分散到质量分数为5.5%的磷酸/磷酸二氢钠溶液中,在90℃下保温搅拌40min,然后进行抽滤,烘干至恒重后,再在常压下采用N2/O2低温等离子体对抽滤干燥后的纳米石墨烯进行处理,即得改性纳米石墨烯。
进一步的,所述磷酸/磷酸二氢钠溶液中磷酸、磷酸二氢钠、水混合质量比为5:3:50。
进一步的,所述低温等离子体中气体流量氮气为0.42mL/min、氧气为0.12mL/min,处理时间为3min,功率依次为75W。
进一步的,所述防水胶黏剂施胶量为315g/m²。
实施例2
一种防水胶合板,由三层薄基板通过防水胶黏剂均匀施胶后,经过粘结后复合,再进行热压制成防水三合板。
进一步的,所述三层薄基板由杨木板制成。
进一步的,所述杨木板经过预处理:
将杨木板放入到硫代硫酸钠复合液中浸泡处理38min,温度保温在60℃,然后再进行超声波处理130s,再进行过滤,烘干至恒重,即可,所述硫代硫酸钠复合液按重量份计由以下成分制成: 6份聚甘油脂肪酸酯、5份磷酸、8份硫代硫酸钠、0.16份二亚乙基三胺、52份去离子水。
进一步的,所述超声波频率为35kHz,功率为800W。
进一步的,所述防水胶黏剂制备方法包括以下步骤:
将聚乙二醇、聚酯二元醇、羧酸型亲水性扩链剂按1:2:0.02摩尔比混合后再添加到丙酮中,所述聚乙二醇添加量为丙酮质量的10%,搅拌均匀后,再添加丙酮质量0.75%的改性纳米石墨烯,然后再加入二异氰酸酯和催化剂,所述二异氰酸酯与聚乙二醇摩尔比为0.7:1.2,所述催化剂质量为二异氰酸酯质量的5%,然后水浴加热至88℃,以300r/min转速搅拌2小时,得到聚合液,再向聚合液中添加其质量1.8%的环氧氯丙烷和5%的松香树脂,调节温度至72℃,以2500r/min转速搅拌1.2小时,然后再添加聚乙二醇质量3倍的去离子水,继续搅拌30min,通过减压蒸馏去除有机溶剂,即得。
进一步的,所述改性纳米石墨烯制备方法为:
将纳米石墨烯按65g:250mL的比例均匀分散到质量分数为5.5%的磷酸/磷酸二氢钠溶液中,在90℃下保温搅拌40min,然后进行抽滤,烘干至恒重后,再在常压下采用N2/O2低温等离子体对抽滤干燥后的纳米石墨烯进行处理,即得改性纳米石墨烯。
进一步的,所述磷酸/磷酸二氢钠溶液中磷酸、磷酸二氢钠、水混合质量比为5:3:50。
进一步的,所述低温等离子体中气体流量氮气为0.42mL/min、氧气为0.12mL/min,处理时间为3min,功率依次为75W。
进一步的,所述防水胶黏剂施胶量为315g/m²。
实施例3
一种防水胶合板,由三层薄基板通过防水胶黏剂均匀施胶后,经过粘结后复合,再进行热压制成防水三合板。
进一步的,所述三层薄基板由杨木板制成。
进一步的,所述杨木板经过预处理:
将杨木板放入到硫代硫酸钠复合液中浸泡处理36min,温度保温在58℃,然后再进行超声波处理130s,再进行过滤,烘干至恒重,即可,所述硫代硫酸钠复合液按重量份计由以下成分制成:5份聚甘油脂肪酸酯、4份磷酸、7份硫代硫酸钠、0.13份二亚乙基三胺、51份去离子水。
进一步的,所述超声波频率为35kHz,功率为800W。
进一步的,所述防水胶黏剂制备方法包括以下步骤:
将聚乙二醇、聚酯二元醇、羧酸型亲水性扩链剂按1:2:0.02摩尔比混合后再添加到丙酮中,所述聚乙二醇添加量为丙酮质量的10%,搅拌均匀后,再添加丙酮质量0.75%的改性纳米石墨烯,然后再加入二异氰酸酯和催化剂,所述二异氰酸酯与聚乙二醇摩尔比为0.7:1.2,所述催化剂质量为二异氰酸酯质量的5%,然后水浴加热至88℃,以300r/min转速搅拌2小时,得到聚合液,再向聚合液中添加其质量1.8%的环氧氯丙烷和5%的松香树脂,调节温度至72℃,以2500r/min转速搅拌1.2小时,然后再添加聚乙二醇质量3倍的去离子水,继续搅拌30min,通过减压蒸馏去除有机溶剂,即得。
进一步的,所述改性纳米石墨烯制备方法为:
将纳米石墨烯按65g:250mL的比例均匀分散到质量分数为5.5%的磷酸/磷酸二氢钠溶液中,在90℃下保温搅拌40min,然后进行抽滤,烘干至恒重后,再在常压下采用N2/O2低温等离子体对抽滤干燥后的纳米石墨烯进行处理,即得改性纳米石墨烯。
进一步的,所述磷酸/磷酸二氢钠溶液中磷酸、磷酸二氢钠、水混合质量比为5:3:50。
进一步的,所述低温等离子体中气体流量氮气为0.42mL/min、氧气为0.12mL/min,处理时间为3min,功率依次为75W。
进一步的,所述防水胶黏剂施胶量为315g/m²。
对比例1:与实施例1区别仅在于杨木板不经过预处理。
对比例2:与实施例1区别仅在于将防水胶黏剂替换为申请号:200910034616.X胶黏剂。
对比例3:与实施例1区别仅在于防水胶黏剂中不添加改性纳米石墨烯。
对比例4:与实施例1区别仅在于防水胶黏剂中不添加环氧氯丙烷。
初粘力:采用GB/T2790胶黏剂180度剥离强度试验方法。将挠性被粘试片的未胶接的一端弯曲180°,将刚性被粘试片夹紧在固定的夹头上,而将挠性试片夹紧在另一夹头上。注意使夹头间试样准确定位,以保证所施加的拉力均匀地分布在试样的宽度上。开动机器,使上下夹头以恒定的速率分离。夹头的分离速率为100±10mm/min。记下夹头的分离速率和当夹头分离运行时所受到的力,直到至少有125mm的胶接长度被剥离。初粘力越大越好。注:在剥离过程中,剥开的挠性部分有时会在胶接部分上蹭过去,为了减少摩擦,可使用适当的润滑剂,如甘油或肥皂水,只要它不影响被粘物;
表1
熔融指数N/2.5mm | |
实施例均值 | 167.7 |
对比例1 | 155.3 |
对比例2 | 110.4 |
对比例3 | 137.8 |
对比例4 | 142.9 |
由表1可以看出本发明中采用的防水胶黏剂具有优异的初粘力,可见其具有良好的粘结性能,能够有效的提高胶合板的胶合强度,同时可以看出,改性纳米石墨烯与环氧氯丙烷在防水胶黏剂中具有显著提高初粘力的作用。
按照GB/T15036.2-2001《实木地板板检验和试验方法》对实施例与对比例试样进行检测。将实施例与对比例试样,分别切割为60cm×25cm×1cm的试件,放置在温度为1℃,相对湿度为86.5%环境下,保持24h后将试件迅速移至40℃环境中,观察检测:每个产品检测三次,数据取平均值:
表2
胶合强度/MPa | 吸水膨胀率% | 开裂变形情况 | |
实施例均值 | 5.32 | 0.12 | 无 |
对比例1 | 5.14 | 0.12 | 无 |
对比例2 | 1.86 | 2.73 | 开裂变形严重 |
对比例3 | 4.17 | 0.55 | 开裂明显变形 |
对比例4 | 4.63 | 1.38 | 开裂变形较大 |
由表2可以看出,本发明制备的胶合板具有优异的胶合强度和较低的吸水膨胀率,防水性能好。
Claims (1)
1.一种防水胶合板,其特征在于,由三层薄基板通过防水胶黏剂均匀施胶后,经过粘结后复合,再进行热压制成防水三合板;所述三层薄基板由杨木板制成;所述杨木板经过预处理:
将杨木板放入到硫代硫酸钠复合液中浸泡处理35-38min,温度保温在55-60℃,然后再进行超声波处理130s,再进行过滤,烘干至恒重,即可,所述硫代硫酸钠复合液按重量份计由以下成分制成:4-6份聚甘油脂肪酸酯、3-5份磷酸、6-8份硫代硫酸钠、0.12-0.16份二亚乙基三胺、50-52份去离子水;所述超声波频率为35kHz,功率为800W;所述防水胶黏剂制备方法包括以下步骤:
将聚乙二醇、聚酯二元醇、羧酸型亲水性扩链剂按1:2:0.02摩尔比混合后再添加到丙酮中,所述聚乙二醇添加量为丙酮质量的10%,搅拌均匀后,再添加丙酮质量0.75%的改性纳米石墨烯,然后再加入二异氰酸酯和催化剂,所述二异氰酸酯与聚乙二醇摩尔比为0.7:1.2,所述催化剂质量为二异氰酸酯质量的5%,然后水浴加热至88℃,以300r/min转速搅拌2小时,得到聚合液,再向聚合液中添加其质量1.8%的环氧氯丙烷和5%的松香树脂,调节温度至72℃,以2500r/min转速搅拌1.2小时,然后再添加聚乙二醇质量3倍的去离子水,继续搅拌30min,通过减压蒸馏去除有机溶剂,即得;所述改性纳米石墨烯制备方法为:
将纳米石墨烯按65g:250mL的比例均匀分散到质量分数为5.5%的磷酸/磷酸二氢钠溶液中,在90℃下保温搅拌40min,然后进行抽滤,烘干至恒重后,再在常压下采用N2/O2低温等离子体对抽滤干燥后的纳米石墨烯进行处理,即得改性纳米石墨烯;所述磷酸/磷酸二氢钠溶液中磷酸、磷酸二氢钠、水混合质量比为5:3:50;所述低温等离子体中气体流量氮气为0.42mL/min、氧气为0.12mL/min,处理时间为3min,功率依次为75W;所述防水胶黏剂施胶量为315g/m²。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811010327.1A CN109227791B (zh) | 2018-08-31 | 2018-08-31 | 一种防水胶合板 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811010327.1A CN109227791B (zh) | 2018-08-31 | 2018-08-31 | 一种防水胶合板 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109227791A CN109227791A (zh) | 2019-01-18 |
CN109227791B true CN109227791B (zh) | 2021-04-02 |
Family
ID=65068192
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811010327.1A Active CN109227791B (zh) | 2018-08-31 | 2018-08-31 | 一种防水胶合板 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109227791B (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110341248A (zh) * | 2019-07-05 | 2019-10-18 | 吴勇 | 一种胶合强度高的胶合板 |
CN110591566A (zh) * | 2019-10-11 | 2019-12-20 | 福建农林大学 | 一种人造板用氧化石墨烯改性磷酸铝胶粘剂及其制备方法 |
CN110930860A (zh) * | 2019-11-15 | 2020-03-27 | 深圳昌茂粘胶新材料有限公司 | 一种高效导热耐温绝缘的炭纤维标签材料及其制备方法 |
CN112936469A (zh) * | 2021-03-31 | 2021-06-11 | 徐州市鸿禧木业有限公司 | 一种具有良好防霉性能的胶合板 |
CN113771153B (zh) * | 2021-08-25 | 2022-11-15 | 安捷包装(苏州)股份有限公司 | 一种胶木箱用胶合板的制备方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201002288Y (zh) * | 2007-02-08 | 2008-01-09 | 赵广年 | 加厚实木三合板 |
CN201534348U (zh) * | 2009-09-29 | 2010-07-28 | 黎夏良 | 复合纤维板 |
CN102910623A (zh) * | 2012-10-29 | 2013-02-06 | 清华大学深圳研究生院 | 一种改性石墨烯及其制备方法 |
CN103144177A (zh) * | 2013-04-02 | 2013-06-12 | 国家林业局泡桐研究开发中心 | 以泡桐木材为原料制造生态型泡桐木质墙板的方法 |
CN103482614A (zh) * | 2013-09-09 | 2014-01-01 | 东南大学 | 一种石墨烯-ZnO纳米颗粒复合材料的制备方法 |
CN105238030A (zh) * | 2015-10-09 | 2016-01-13 | 滁州环球聚氨酯科技有限公司 | 一种纳米二氧化硅改性聚氨酯复合材料 |
CN106082178A (zh) * | 2016-06-01 | 2016-11-09 | 华东理工大学 | 一种在绝缘基体上制备石墨烯薄膜的方法 |
CN107283551A (zh) * | 2017-08-21 | 2017-10-24 | 含山县茂盛胶合板厂 | 一种具有良好防霉防虫性能的胶合板 |
-
2018
- 2018-08-31 CN CN201811010327.1A patent/CN109227791B/zh active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201002288Y (zh) * | 2007-02-08 | 2008-01-09 | 赵广年 | 加厚实木三合板 |
CN201534348U (zh) * | 2009-09-29 | 2010-07-28 | 黎夏良 | 复合纤维板 |
CN102910623A (zh) * | 2012-10-29 | 2013-02-06 | 清华大学深圳研究生院 | 一种改性石墨烯及其制备方法 |
CN103144177A (zh) * | 2013-04-02 | 2013-06-12 | 国家林业局泡桐研究开发中心 | 以泡桐木材为原料制造生态型泡桐木质墙板的方法 |
CN103482614A (zh) * | 2013-09-09 | 2014-01-01 | 东南大学 | 一种石墨烯-ZnO纳米颗粒复合材料的制备方法 |
CN105238030A (zh) * | 2015-10-09 | 2016-01-13 | 滁州环球聚氨酯科技有限公司 | 一种纳米二氧化硅改性聚氨酯复合材料 |
CN106082178A (zh) * | 2016-06-01 | 2016-11-09 | 华东理工大学 | 一种在绝缘基体上制备石墨烯薄膜的方法 |
CN107283551A (zh) * | 2017-08-21 | 2017-10-24 | 含山县茂盛胶合板厂 | 一种具有良好防霉防虫性能的胶合板 |
Also Published As
Publication number | Publication date |
---|---|
CN109227791A (zh) | 2019-01-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109227791B (zh) | 一种防水胶合板 | |
US10023777B2 (en) | Adhesive compositions and methods of adhering articles together | |
CN107207928B (zh) | 粘合性树脂层以及粘合性树脂膜 | |
Hashim et al. | Effects of cold setting adhesives on properties of laminated veneer lumber from oil palm trunks in comparison with rubberwood | |
AU2005201383A1 (en) | Phenolic resin-based adhesives and methods of using same in preparing laminated veneer lumber (LVL) | |
CN109897592B (zh) | 一种仿生修饰的植物纤维改性大豆蛋白胶黏剂及其制备方法 | |
Xian-qing et al. | Development of a cornstarch adhesive for laminated veneer lumber bonding for use in engineered wood flooring | |
CN107696217B (zh) | 一种抗弯竹木复合板的制备方法 | |
CA3234147A1 (en) | Preparation method for veneer manufactured board | |
Xian-qing et al. | Preparation and application of high performance corn starch glue in straw decorative panel | |
CN110341248A (zh) | 一种胶合强度高的胶合板 | |
Zeng et al. | Aging resistance properties of poplar plywood bonded by soy protein-based adhesive | |
CN103507123A (zh) | 一种木质夹层热塑性复合材料及其制备方法 | |
CN111775228B (zh) | 一种防开裂生态板及其制备方法 | |
CN107384257B (zh) | 一种具有良好耐老化性能的胶合板 | |
WO2011051568A1 (en) | Method for manufacturing wood board and wood board | |
CN114347193B (zh) | 一种胶合板及其生产工艺 | |
CN110053110B (zh) | 一种胶合板的制备方法及其得到的胶合板 | |
CN106349959B (zh) | 一种聚氨酯用附着力增强剂及其制备方法、应用和使用方法 | |
CN110228110B (zh) | 一种具有隔音性能的胶合板 | |
CN114456759B (zh) | 一种高强度环保多层复合板及其制备方法 | |
JPS609737A (ja) | 積層板の製法 | |
JPH0456725B2 (zh) | ||
CN211709548U (zh) | 一种复合材料饰面胶合板 | |
KR20100123989A (ko) | 목질재료 접착용 비지계 접착제 및 이를 적용한 마루판 및 마루판 제조방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20210316 Address after: 537100 Jiangnan Industrial Park, Gangnan District, Guigang City, Guangxi Zhuang Autonomous Region Applicant after: Guigang Dingyuan Wood Industry Co.,Ltd. Address before: 236600 one family, No. 36, he Xiaomiao, Chan Tang village committee, Daxin Town, Taihe County, Fuyang City, Anhui Province Applicant before: Xu Peipei |
|
TA01 | Transfer of patent application right | ||
GR01 | Patent grant | ||
GR01 | Patent grant |