CN103264532B - A kind of composite plate and production technology thereof with high-peeling strength - Google Patents
A kind of composite plate and production technology thereof with high-peeling strength Download PDFInfo
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- CN103264532B CN103264532B CN201310225699.7A CN201310225699A CN103264532B CN 103264532 B CN103264532 B CN 103264532B CN 201310225699 A CN201310225699 A CN 201310225699A CN 103264532 B CN103264532 B CN 103264532B
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Abstract
The present invention relates to a kind of composite plate and the production technology thereof with high-peeling strength, composite plate comprises panel layer, central layer and backplane level successively, the first compound adhesive water layer is provided with between described panel layer and central layer, the second compound adhesive water layer is provided with between described backplane level and central layer, it is characterized in that: the outside of described first compound adhesive water layer is provided with the first nonwoven layer, the outside of described second compound adhesive water layer is provided with the second nonwoven layer, and described central layer is plastic honeycomb core or metal honeycomb core.Add nonwoven layer in composite plate of the present invention, utilize non-woven fabrics fiber to pin composite glue, strengthen adhesive effect, improve composite plate peel strength.Especially select the cotton of certain grammes per square metre or high synthetic fibre silk non-woven fabrics, set suitable vacuum pressing-combining parameter in technique, the composite plate peel strength that present invention process is produced at least improves 30%.
Description
Technical field
The present invention relates to a kind of composite plate and production technology thereof, particularly relate to a kind of honeycomb composite plate and production technology thereof.
Background technology
Composite plate refers to that at least two-layer sheet material superimposion is to structure together.Honeycomb composite plate is then be sandwiched between panel and base plate by honeycomb core to form, and honeycomb core has overall in cellular hole lattice.Cellular board has gently, strong, steady, insulation, the advantage such as heat insulation and shockproof, be widely used in Modern Shipbuilding, aviation, the fields such as aerospace industry.Honeycomb core and panel, be all be bonded together by composite glue usually between honeycomb core and base plate, test its couch roll peel strength to check panel or the bonding firmness between base plate with honeycomb core, ensure end product quality after finished product.For strengthening the peel strength of composite plate, can seek to improve on composite glue, but bottleneck is arrived in the raising of composite glue at present.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, provide a kind of structure simple, couch roll peel strength is high, stable firmly composite plate.
For achieving the above object, the technical solution used in the present invention is: a kind of composite plate with high-peeling strength, comprise panel layer, central layer and backplane level successively, the first compound adhesive water layer is provided with between described panel layer and central layer, the second compound adhesive water layer is provided with between described backplane level and central layer, it is characterized in that: the outside of described first compound adhesive water layer is provided with the first nonwoven layer, the outside of described second compound adhesive water layer is provided with the second nonwoven layer, and described central layer is plastic honeycomb core or metal honeycomb core.
Preferably, the non-woven fabrics forming described first nonwoven layer is identical with the non-woven fabrics forming the second nonwoven layer, and the grammes per square metre of described non-woven fabrics is 30gm/m
2-50gm/m
2.
Preferably, described non-woven fabrics is cotton non-woven fabrics or high synthetic fibre silk non-woven fabrics.
Preferably, described central layer is aluminium honeycomb core or nylon honeycomb core.
The present invention also provides a kind of step and simple to operate, and the composite board processing technique that finished product peel strength is high, comprises the steps:
(1) make panel layer, backplane level, central layer respectively, and the both ends of the surface of described central layer are cleared up;
(2) at the side of panel layer coating composite glue, described first compound adhesive water layer is formed, at the side of backplane level coating composite glue, the second compound adhesive water layer described in formation;
(3) be coated with the side adhesion non-woven fabrics of composite glue at panel layer, form the first nonwoven layer, the side being coated with composite glue at backplane level also adheres to non-woven fabrics, forms the second nonwoven layer;
(4) to be stained with the side of non-woven fabrics separately relative for panel layer and backplane level, central layer is placed between the first nonwoven layer and the second nonwoven layer, forms the composite plate blanks of seven-layer structure;
(5) described composite plate blanks by vacuum extractor by each layer vacuum pressing-combining together.
Preferably, in step (5), the pressure >=-0.07MPa of vacuum pressing-combining, pressing time > 7h.
The invention solves the defect existed in background technology, there is following beneficial effect:
1. composite plate of the present invention, its panel layer and central layer, between backplane level and central layer, add nonwoven layer respectively, utilizes non-woven fabrics fiber to pin composite glue, strengthen adhesive effect, improve composite plate peel strength.Preferred use cotton non-woven fabrics and high synthetic fibre silk non-woven fabrics, strengthen effect better.Wherein the corrosion resistance of cotton non-woven fabrics is comparatively strong, and high synthetic fibre silk non-woven fabrics is larger relative to the raising of cotton non-woven fabrics to peel strength.
2. composite plate of the present invention, the grammes per square metre of non-woven fabrics used remains on 30gm/m
2-50gm/m
2, especially 40gm/m
2time, best to the enhancing of adhesive effect.
3. the production technology of composite plate of the present invention, by between panel layer and central layer, adds nonwoven layer between backplane level and central layer, and the grammes per square metre that preferably non-woven fabrics is certain: 30gm/m
2-50gm/m
2, certain material: cotton or high synthetic fibre silk, set suitable vacuum pressing-combining parameter: pressure>=-0.07MPa, pressing time > 7h, and the composite plate peel strength that present invention process is produced at least improves 30%.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation of embodiment of the present invention 1-2;
Fig. 2 is the flow chart of production technology of the present invention;
In figure: 2, panel layer, 4, central layer, 6, backplane level, the 8, first compound adhesive water layer, the 12, second compound adhesive water layer, the 14, first nonwoven layer, the 16, second nonwoven layer.
Detailed description of the invention
The present invention is further detailed explanation in conjunction with the accompanying drawings and embodiments now, and these accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
As shown in Figure 1, a kind of composite plate with high-peeling strength, comprises panel layer 2, central layer 4 and backplane level 6 successively, is provided with the first compound adhesive water layer 8 between panel layer 2 and central layer 4, is provided with the second compound adhesive water layer 12 between backplane level 6 and central layer 4.Be provided with outside first compound adhesive water layer 8 outside first nonwoven layer 14, second compound adhesive water layer 12 and be provided with the second nonwoven layer 16, central layer 4 is plastic honeycomb core or metal honeycomb core.
Concrete, panel layer 2 is metallic plate, plank or plastic plate, and backplane level 6 is also metallic plate, plank or plastic plate.Central layer 4 can be aluminium honeycomb core or nylon honeycomb core.The non-woven fabrics of preferred formation first nonwoven layer 14 is identical with the non-woven fabrics forming the second nonwoven layer 16, and be cotton non-woven fabrics, the grammes per square metre of non-woven fabrics is 30gm/m
2-50gm/m
2, 40gm/m
2best.
As shown in Figure 2, the production technology preparing above-mentioned composite plate comprises the steps:
(1) make panel layer 2, backplane level 6, central layer 4 respectively, and the both ends of the surface of each layer are cleared up.
(2) utilize glue spreader at the bottom of panel layer 2 coating composite glue, form the first compound adhesive water layer 8, at backplane level 6 top coating composite glue, form the second compound adhesive water layer 12;
(3) the side adhesion non-woven fabrics of composite glue is coated with at panel layer 2, form the first nonwoven layer 14, the side being coated with composite glue at backplane level 6 also adheres to non-woven fabrics, forms the second nonwoven layer 16, and composite glue permeates the first nonwoven layer 14 and the second nonwoven layer 16;
(4) panel layer 2 is relative with the side that backplane level 6 is stained with non-woven fabrics separately, central layer 4 is placed between the first nonwoven layer 14 and the second nonwoven layer 16, forms the composite plate blanks as Fig. 1 seven-layer structure;
(5) composite plate blanks by vacuum extractor by each layer vacuum pressing-combining together.Concrete, vacuum extractor can be the pressure >=-0.07MPa of vacuum composite bench or vacuum press, vacuum pressing-combining, pressing time > 7h.
The composite plate that other steps of production technology, parameter are identical with the present embodiment method using non-compound nonwoven cloth is as comparative example, GB GB/T 7122-1996 method is utilized to carry out the detection of couch roll peel strength respectively to the finished product composite plate of comparative example and the present embodiment 1, result is the peel strength of comparative example composite plate is 60 N/m, and the peel strength of embodiment 1 composite plate reaches 85N/m-90N/m.The composite plate that visible present invention process is produced, its peel strength improves greatly.
Embodiment 2
As shown in Figure 1, with the difference of embodiment 1, a kind of composite plate with high-peeling strength, is only that high synthetic fibre silk non-woven fabrics selected by non-woven fabrics.
Also utilize identical national standard method to carry out the detection of couch roll peel strength to the finished product composite plate of embodiment 2, the peel strength of result composite plate reaches 95N/m, not only greatly improves relative to comparative example, even also has further raising than embodiment 1.
It should be noted that, the corresponding raw material that composite glue can select the industry general.Concrete, in embodiment 1,2, inventor selects: the JW-AA composite glue of the high-strength production of Jingjiang.
Above according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, related personnel in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on description, must determine technical scope according to right.
Claims (5)
1. one kind has the production technology of the composite plate of high-peeling strength, described composite plate comprises panel layer, central layer and backplane level successively, the first compound adhesive water layer is provided with between described panel layer and central layer, the second compound adhesive water layer is provided with between described backplane level and central layer, it is characterized in that: the outside of described first compound adhesive water layer is provided with the first nonwoven layer, the outside of described second compound adhesive water layer is provided with the second nonwoven layer, and described central layer is plastic honeycomb core or metal honeycomb core;
Described production technology comprises the steps:
(1) make panel layer, backplane level, central layer respectively, and the both ends of the surface of described central layer are cleared up;
(2) at the side of panel layer coating composite glue, described first compound adhesive water layer is formed, at the side of backplane level coating composite glue, the second compound adhesive water layer described in formation;
(3) be coated with the side adhesion non-woven fabrics of composite glue at panel layer, form the first nonwoven layer, the side being coated with composite glue at backplane level also adheres to non-woven fabrics, forms the second nonwoven layer;
(4) to be stained with the side of non-woven fabrics separately relative for panel layer and backplane level, central layer is placed between the first nonwoven layer and the second nonwoven layer, forms the composite plate blanks of seven-layer structure;
(5) described composite plate blanks by vacuum extractor by each layer vacuum pressing-combining together.
2. a kind of production technology with the composite plate of high-peeling strength according to claim 1, is characterized in that: the non-woven fabrics forming described first nonwoven layer is identical with the non-woven fabrics forming the second nonwoven layer, and the grammes per square metre of described non-woven fabrics is 30gm/m
2-50gm/m
2.
3. a kind of production technology with the composite plate of high-peeling strength according to claim 2, is characterized in that: described non-woven fabrics is cotton non-woven fabrics or high synthetic fibre silk non-woven fabrics.
4. a kind of production technology with the composite plate of high-peeling strength according to claim 1, is characterized in that: described central layer is aluminium honeycomb core or nylon honeycomb core.
5. a kind of production technology with the composite plate of high-peeling strength according to claim 1, is characterized in that: in step (5), the pressure >=-0.07MPa of vacuum pressing-combining, pressing time > 7h.
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| CN201310225699.7A CN103264532B (en) | 2013-06-07 | 2013-06-07 | A kind of composite plate and production technology thereof with high-peeling strength |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310225699.7A CN103264532B (en) | 2013-06-07 | 2013-06-07 | A kind of composite plate and production technology thereof with high-peeling strength |
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|---|---|
| CN103264532A CN103264532A (en) | 2013-08-28 |
| CN103264532B true CN103264532B (en) | 2015-10-28 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201619265U (en) * | 2009-12-04 | 2010-11-03 | 蒋状耀 | Light composite material |
| CN202344916U (en) * | 2011-11-02 | 2012-07-25 | 上海杰事杰新材料(集团)股份有限公司 | Thermoplastic honeycomb interlayer composite material |
| CN102722686A (en) * | 2012-05-25 | 2012-10-10 | 福建联迪商用设备有限公司 | Magnetic card decoding method |
-
2013
- 2013-06-07 CN CN201310225699.7A patent/CN103264532B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201619265U (en) * | 2009-12-04 | 2010-11-03 | 蒋状耀 | Light composite material |
| CN202344916U (en) * | 2011-11-02 | 2012-07-25 | 上海杰事杰新材料(集团)股份有限公司 | Thermoplastic honeycomb interlayer composite material |
| CN102722686A (en) * | 2012-05-25 | 2012-10-10 | 福建联迪商用设备有限公司 | Magnetic card decoding method |
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