CN105644071B - 一种冷藏车用厢体内板及其制备方法 - Google Patents
一种冷藏车用厢体内板及其制备方法 Download PDFInfo
- Publication number
- CN105644071B CN105644071B CN201511017050.1A CN201511017050A CN105644071B CN 105644071 B CN105644071 B CN 105644071B CN 201511017050 A CN201511017050 A CN 201511017050A CN 105644071 B CN105644071 B CN 105644071B
- Authority
- CN
- China
- Prior art keywords
- glass
- polypropylene
- reinforced polypropylene
- inner panel
- layer
- 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
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/02—Layered products essentially comprising sheet glass, or glass, slag, or like fibres in the form of fibres or filaments
-
- B32B17/064—
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- 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
- B32B37/08—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the cooling 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
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
- B60P3/20—Refrigerated goods vehicles
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0253—Polyolefin fibres
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester fibres
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
-
- 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
- B32B2323/00—Polyalkenes
- B32B2323/04—Polyethylene
-
- 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
- B32B2323/00—Polyalkenes
- B32B2323/10—Polypropylene
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Thermal Sciences (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
本发明公开了一种冷藏车用厢体内板及其制备方法,该厢体内板由聚丙烯面膜、玻纤增强聚丙烯复合材料层、高分子隔离膜和无纺布层复合而成,所述聚丙烯面膜和所述无纺布层之间设有两层玻纤增强聚丙烯复合材料层,两层玻纤增强聚丙烯复合材料层之间设有高分子隔离膜;所述玻纤增强聚丙烯材料为轴向不同的连续玻纤增强聚丙烯热压复合材料、玻纤聚丙烯纤维编织布复合材料或短玻纤增强聚丙烯复合材料中的一种。本发明通过机械将内板侧的无纺布与PU泡沫保温层连接,大大提高了内板与PU泡沫保温层结合强度,拼接方式简便、成本低,同时通过高分子隔离膜阻断了PU保温层泡内气体的逃逸,符合当前节能环保冷藏车厢体板材需求。
Description
技术领域
本发明涉及复合材料技术领域,具体涉及一种冷藏车用厢体内板及其制备方法。
背景技术
冷藏车是低温冷链物流中的一个重要环节的关键设备。冷藏车在冷藏运输过程中工作可靠、性能发挥稳定是保证易腐、保鲜食品在运输过程中的安全性的关键所在。目前的冷藏车的厢板主要由聚氨酯泡沫保温层和玻璃钢、铝板等内外蒙皮组合而成,各厢板之间通常采用铆钉、螺栓或者结构胶等方式连接,保温层结构随时间推延会发生泡内气体逃逸,导致保温层绝热性能降低,一般在数月后导热量增加高达20%。同时采用结构胶连接时,胶水容易老化,且固化时间长,厢板粘结后须保压较长时间,使得装配时间较长,生产效率较低;采用铆钉和螺栓连接时,厢板通常要用铝板封边,需要用一排铆钉固定,铆钉太密则会使厢板穿孔太多,导致厢板强度下降;铆钉太少则封边不易固定,密封不严密,容易影响厢体的保温性能。
发明内容
为解决上述问题,本发明提供了一种冷藏车用厢体内板及其制备方法,通过机械将内板侧的无纺布与PU泡沫保温层连接,大大提高了内板与PU泡沫保温层结合强度,拼接方式简便、成本低,同时通过高分子隔离膜阻断了PU保温层泡内气体的逃逸;所得厢体内板轻质环保、不易变形,且具有较高的强度及韧性等力学性能,符合当前节能环保冷藏车厢体板材需求。
为实现上述目的,本发明采取的技术方案为:
一种冷藏车用厢体内板,所述厢体内板由聚丙烯面膜、玻纤增强聚丙烯复合材料层、高分子隔离膜和无纺布层复合而成,所述聚丙烯面膜和所述无纺布层之间设有两层玻纤增强聚丙烯复合材料层,两层玻纤增强聚丙烯复合材料层之间设有高分子隔离膜;所述玻纤增强聚丙烯材料为轴向不同的连续玻纤增强聚丙烯热压复合材料、玻纤聚丙烯纤维编织布复合材料或短玻纤增强聚丙烯复合材料中的一种。
优选地,所述的轴向不同的连续玻纤增强聚丙烯热压复合材料为0°/90°、0°/±30°、0°/±45°或0°/±60°方向铺置的连续玻纤增强聚丙烯单向带热压而成的复合材料。
优选地,所述的高分子隔离膜为PE聚乙烯膜或PA聚酰胺膜。
优选地,所述的无纺布为水刺聚酯无纺布。
优选地,所述聚丙烯面膜厚度为0.05~0.35mm,玻纤增强聚丙烯复合材料厚度为0.4~2.5mm,高分子隔离膜层厚度为0.05~0.35mm,无纺布厚度为1~2.0mm。
为解决上述问题,本发明还提供了一种冷藏车用厢体内板的制备方法,包括如下步骤:
采用具有加热加压以及冷却保压双区的层压设备,开启机器,设置加热温度为178~196℃,层压压力为0.5~0.8Pa,将聚丙烯面膜、玻纤增强聚丙烯复合材料、高分子隔离膜和无纺布按层次排列放置好,同步喂入机器,加热时间30~120秒后,冷却30~120秒,得成品。
本发明通过聚丙烯面膜层的设置,使得所得的内板材料美观、耐划、焊接方便;玻纤增强聚丙烯层增加了内板材料的硬度、刚性以及冲击韧性、平整度好;高分子隔离膜阻断了PU泡沫保温层泡内气体的逃逸,使所得内板材料保持持久绝热性;水刺聚酯无纺布提供了多孔纤维基体,使得PU发泡材料可以深入其基体,能够长久地与PU泡沫保温层附着,无须胶粘剂,为纯机械性粘结,结合力强且环保。
本发明具有以下有益效果:
(1)通过高分子隔离膜阻断了PU保温层泡内气体的逃逸,使冷藏车用厢体保温性能更优异,在内藏车厢体的全使用寿命内保持持久绝热性,制冷保温能耗大幅降低达20%以上。
(2)内板侧的无纺布与PU泡沫保温层通过机械连接,大大提高了内板与PU泡沫保温层结合强度,延长了冷藏车厢的使用寿命。
(3)各材料层之间通过热熔粘结而成,组装时只需将内板用电热工具热熔粘结,连接处实现了无缝隙连接,阻断了连接处的冷气泄露,结构简单,简化了组装工序,可大幅提高生产效率,提高密封性和保温性,具有组装方便、无气味、易回收、可降解、对环境友好等优点。
(4)在聚氨酯泡沫保温层上复合本发明的冷藏车用厢体内板后,整个厢板的弯曲强度、弯曲模量、冲击强度都有大幅提高。
附图说明
图1为本发明一个具体实施例的结构示意图。
图中,1-聚丙烯面膜层,2-0°/90°连续玻纤增强聚丙烯热压复合材料,3-PP聚丙烯/PA聚酰胺复合膜,4-水刺聚酯无纺布。
具体实施方式
为了使本发明的目的及优点更加清楚明白,以下结合实施例对本发明进行进一步详细说明。应当理解,此处所描述的具体实施例仅仅用以解释本发明,并不用于限定本发明。
实施例1
S11、采用具有加热加压以及冷却保压双区的层压设备,设置加热温度为178℃,层压压力0.8Pa;
S12、将厚度为0.05mm的聚丙烯面膜、厚度为0.4mm的0°/90°连续玻纤增强聚丙烯热压复合材料、厚度为0.05mmPA聚酰胺复合膜、厚度为0.4mm的0°/90°连续玻纤增强聚丙烯热压复合材料和厚度为1mm的水刺聚酯无纺布从上往下依次排列放置后同步喂入步骤S11中的层压设备中,保压30秒后,冷却30秒,得内板。
制得的内板经检验:拉伸强度230Mpa,拉伸模量10Gpa,断裂伸长率2.6%,弯曲模量11GPa,吸水率0.3%,热变形温度158.1℃,悬臂梁无缺口,23℃冲击强度180kJ/m2,-60℃的冲击强度150kJ/m2,导热系数0.078w/(m·K°)。
实施例2
S21、采用具有加热加压以及冷却保压双区的层压设备,设置加热温度为196℃,层压压力0.6Pa;
S22、将厚度为0.35mm的聚丙烯面膜、厚度为2.5mm的0°/+45°连续玻纤增强聚丙烯热压复合材料、厚度为0.35mm的PE聚乙烯膜、厚度为2.5mm的0°/-45°连续玻纤增强聚丙烯热压复合材料和厚度为2.0mm的水刺聚酯无纺布从上往下依次排列放置后同步喂入步骤S21中的层压设备中,保压120秒后,冷却60秒,得内板。
制得的内板经检验:拉伸强度230Mpa,拉伸模量10Gpa,断裂伸长率2.6%,弯曲模量12GPa,吸水率0.3%,热变形温度158.1℃,悬臂梁无缺口,23℃冲击强度196kJ/m2,-60℃冲击强度为184kJ/m2,导热系数0.078w/(m·K°)。
实施例3
S31、采用具有加热加压以及冷却保压双区的层压设备,设置加热温度为187℃,层压压力0.5Pa;
S32、将厚度为0.20mm的聚丙烯面膜、厚度为1.4mm的0°/+30°连续玻纤增强聚丙烯热压复合材料、厚度为0.20mm的PA聚酰胺膜、厚度为1.4mm的0°/-30°连续玻纤增强聚丙烯热压复合材料和厚度为1.5mm的水刺聚酯无纺布从上往下依次排列放置后同步喂入步骤S31中的层压设备中,保压60秒后,冷却120秒,得内板。
制得的内板经检验:拉伸强度230Mpa,拉伸模量10Gpa,断裂伸长率2.6%;弯曲模量11GPa;吸水率0.3%;热变形温度158.1℃;悬臂梁无缺口,23℃冲击强度150kJ/m2;-60℃冲击强度130kJ/m2;导热系数0.078w/(m·K°)。
实施例4
S41、采用具有加热加压以及冷却保压双区的层压设备,设置加热温度为178℃,层压压力0.5Pa;
S42、将厚度为0.05mm的聚丙烯面膜、厚度为0.4mm的玻纤聚丙烯纤维编织布复合材料、厚度为0.05mmPA聚酰胺复合膜、厚度为0.4mm的玻纤聚丙烯纤维编织布复合材料和厚度为1mm水刺聚酯无纺布从上往下依次排列放置后同步喂入步骤S41中的层压设备中,保压60秒后,冷却60秒,得内板。
制得的内板经检验:拉伸强度290Mpa,拉伸模量12GPa,断裂伸长率2.9%;弯曲模量11GPa;吸水率0.3%;热变形温度158.1℃;悬臂梁无缺口,23℃冲击强度190kJ/m2;-60℃冲击强度150kJ/m2;导热系数0.078w/(m·K°)。
实施例5
S51、采用具有加热加压以及冷却保压双区的层压设备,设置加热温度为190℃,层压压力0.7Pa;
S52、将厚度为0.35mm的聚丙烯面膜、厚度为2.5mm的短玻纤增强聚丙烯复合材料、厚度为0.35mmPE聚乙烯膜、厚度为2.5mm的短玻纤增强聚丙烯复合材料和厚度为2.0mm的水刺聚酯无纺布从上往下依次排列放置后同步喂入步骤S51中的层压设备中,保压60秒后,冷却60秒,得内板。
制得的内板经检查,拉伸强度230Mpa,拉伸模量10GPa,断裂伸长率2.6%;弯曲模量11GPa;吸水率0.3%;热变形温度158.1℃;悬臂梁无缺口,23℃冲击强度170kJ/m2;-60℃冲击强度150kJ/m2;导热系数0.078w/(m·K°)。
以上所述仅是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明原理的前提下,还可以作出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。
Claims (1)
1.一种冷藏车用厢体内板,其特征在于,所述厢体内板由聚丙烯面膜、玻纤增强聚丙烯复合材料层、高分子隔离膜和无纺布层复合而成,所述聚丙烯面膜和所述无纺布层之间设有两层玻纤增强聚丙烯复合材料层,两层玻纤增强聚丙烯复合材料层之间设有高分子隔离膜;所述玻纤增强聚丙烯材料为轴向不同的连续玻纤增强聚丙烯热压复合材料、玻纤聚丙烯纤维编织布复合材料或短玻纤增强聚丙烯复合材料中的一种;
所述的轴向不同的连续玻纤增强聚丙烯热压复合材料为0°/90°、0°/±30°、0°/±45°或0°/±60°方向铺置的连续玻纤增强聚丙烯单向带热压而成的复合材料;
所述的高分子隔离膜为PE聚乙烯膜或PA聚酰胺膜;
所述的无纺布为水刺聚酯无纺布;
所述聚丙烯面膜厚度为0.05~0.35mm,玻纤增强聚丙烯复合材料厚度为0.4~2.5mm,高分子隔离膜层厚度为0.05~0.35mm,无纺布厚度为1~2.0mm。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201511017050.1A CN105644071B (zh) | 2015-12-29 | 2015-12-29 | 一种冷藏车用厢体内板及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201511017050.1A CN105644071B (zh) | 2015-12-29 | 2015-12-29 | 一种冷藏车用厢体内板及其制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105644071A CN105644071A (zh) | 2016-06-08 |
CN105644071B true CN105644071B (zh) | 2017-12-08 |
Family
ID=56478175
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201511017050.1A Active CN105644071B (zh) | 2015-12-29 | 2015-12-29 | 一种冷藏车用厢体内板及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105644071B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106193508A (zh) * | 2016-08-26 | 2016-12-07 | 江苏泰瑞斯特新材料科技股份有限公司 | 复合石材 |
CN108437487A (zh) * | 2018-04-08 | 2018-08-24 | 武汉纺织大学 | 一种高玻璃纤维含量的聚苯硫醚复合材料及其制备方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101544083A (zh) * | 2009-04-27 | 2009-09-30 | 陈雅君 | 汽车顶篷用聚氨酯多层复合板及其加工方法 |
CN202242215U (zh) * | 2011-08-30 | 2012-05-30 | 东风汽车有限公司 | 汽车内饰复合板 |
CN202439302U (zh) * | 2012-02-17 | 2012-09-19 | 十堰博兴汽车装饰制品有限公司 | 增强型汽车内饰板 |
CN203294602U (zh) * | 2013-04-12 | 2013-11-20 | 江苏奇一科技有限公司 | 连续纤维增强型冷藏集装箱 |
CN204109476U (zh) * | 2014-09-30 | 2015-01-21 | 张家港长泰汽车饰件材料有限公司 | 一种吸音隔热垫 |
-
2015
- 2015-12-29 CN CN201511017050.1A patent/CN105644071B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN105644071A (zh) | 2016-06-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7622406B2 (en) | Puncture and abrasion resistant, air and water impervious laminated fabric | |
CN100532089C (zh) | 无纺布复合件 | |
US20190283345A1 (en) | Method for manufacturing sandwhich panel, sandwhich panel, composite material sheet, and curved panel member | |
CN105644071B (zh) | 一种冷藏车用厢体内板及其制备方法 | |
CN105190221A (zh) | 用于在防弹衣中减轻冲击波的真空板 | |
CN107825792A (zh) | 一种复合材料厢板及其制备方法 | |
JP2015063018A (ja) | ポリオレフィン系積層シート及びその製造方法 | |
RU2018111285A (ru) | Способ производства эластичного слоистого метериала и ламинированный эластичный продукт | |
CN106494038B (zh) | 一种绝热可固化热固性复合材料及其制备方法与应用 | |
CN102963101A (zh) | 一体式热塑性树脂基纤维增强复合材料的制板与复合工艺 | |
JP2017196892A (ja) | 成形加工用フラットヤーンラミネートシート及び成形加工品 | |
JP6464063B2 (ja) | ポリオレフィン系繊維強化樹脂積層シート及びその製造方法 | |
US20090278281A1 (en) | Method for forming a puncture and abrasion resistant laminated fabric and three dimensional ballistic resistant products therefrom | |
CN107672239A (zh) | 一种汽车内饰顶棚的生产方法 | |
TW201132495A (en) | Method of making flame retardant composite material for gangways and bellows | |
CN217435208U (zh) | 一种热塑性轻质复合板 | |
CN103072291B (zh) | 连续玻纤布增强热塑性塑料片材叠压板的生产方法 | |
JPH10305523A (ja) | 金属・繊維強化樹脂複合体及びそれを用いた強化積層体 | |
US20230173794A1 (en) | Polymer foam laminate structure | |
CN102991403B (zh) | 冷藏车用厢体板材及其制备方法 | |
WO2013136886A1 (ja) | 衝撃吸収部材、防護服及び衝撃吸収部材の製造方法 | |
JP6464062B2 (ja) | ポリオレフィン系繊維強化樹脂積層シート及びその製造方法 | |
JP2010064361A (ja) | 吸音材構成部材および吸音材ならびに吸音材の製造方法 | |
KR100812638B1 (ko) | 샌드위치 패널 | |
CN206030685U (zh) | 保温隔热复合板及应用 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230605 Address after: 111000 No. 166, Lantang Line, Dongning Wei Township, Taizihe District, Liaoyang City, Liaoning Province Patentee after: Liaoning Yimeng Zhiwang Carpet Co.,Ltd. Address before: 111000 Xinli Village, Dongning Wei Township, Taizihe District, Liaoyang City, Liaoning Province Patentee before: LIAOYANG YIMENG CARPET MANUFACTURING Co.,Ltd. |