CN206201314U - A kind of PVC low-foamed sheets - Google Patents
A kind of PVC low-foamed sheets Download PDFInfo
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- CN206201314U CN206201314U CN201620967596.7U CN201620967596U CN206201314U CN 206201314 U CN206201314 U CN 206201314U CN 201620967596 U CN201620967596 U CN 201620967596U CN 206201314 U CN206201314 U CN 206201314U
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Abstract
The utility model belongs to architectural decoration material field, is related to a kind of PVC low-foamed sheets.Including upper and lower PVC foam layer, the upper and lower PVC foam layer middle setting has sandwich layer, and the sandwich layer is the three-layer reinforced structure of PVC low ratio foamed plates, and the sandwich layer is grid cloth.The utility model enhances the mechanical strength of PVC low-foamed sheets by the grid cloth added in the middle of upper and lower PVC foam layer, while making the mechanical property of this product more excellent, is unlikely to deform, with good economic benefit and wide market prospects.
Description
Technical field
The utility model is related to architectural decoration material field, is related to a kind of PVC low-foamed sheets.
Background technology
Hard PVC low ratio foamed plate is filled with the premium properties such as its light weight, anti-corrosion, resistant to chemical etching, good heat insulating in decoration
Repair the fields such as material, building materials, outdoor material and corrosion resistant material to have been widely used, be rapidly developed in recent years, be good
The good material to mould Dai Mu.The development of low ratio foamed product has similar reality to saving raw material, reduces cost important in inhibiting
The incomparable market competitiveness of core product and wide prospect.At present, the production technology of hard PVC low-foamed sheet mainly has
Two kinds of foam patterns of co-extrusion foaming and foam.Co-extrusion foaming technique needs to increase an extrusion equipment, and technical process is more multiple
It is miscellaneous, and Productive statistics are larger.And foam mode, produced using plug an outpost of the tax office principle, the PVC melts that extrusion can be sent out, through mould
After cooling and shaping, epidermis is quickly cooled to tight hard aspect, and sandwich layer slower cooling gradually foams, the equipment of this production technology
Investment is relatively fewer, and sheet material is smooth, high precision.But hard PVC low-foamed sheet is in actual industrial production, want to make
Its intensity is significantly improved, it is necessary to add processing modified adjuvant, production cost is necessarily substantially improved.So, its mechanical property is difficult
There is lifting by a relatively large margin while reduces cost, be limited to a certain extent using scope and life-span.
The content of the invention
The utility model is directed to the problems such as above-mentioned PVC foam sheet material mechanical strength is not high, mechanical property is unstable and proposes one
The mechanical property that can greatly improve sheet material is planted, and reduces production cost, expand application field, can further lift production
The PVC low-foamed sheets of benefit.
In order to solve the above-mentioned technical problem, the technical scheme that the utility model is taken is：
The utility model provides a kind of PVC low-foamed sheets, including upper and lower PVC foam layer and sandwich layer, and the sandwich layer is
Grid cloth, it is characterised in that vertically and horizontally braided wires are consistent for the grid of the grid cloth, and the square hole length of side is 4-6mm, the grid cloth
It is prepared from by the raw material of following parts by weight：100 parts of Corvic, filler≤80 part, heat stabilizer 2-8 parts, plus
6-14 parts of work auxiliary agent, external lubricant 0.4-0.6 parts, in-lubricant 0.6-2 parts, foaming agent 0.2-3 parts, foaming control agent 18-22
Part.
Preferably, the heat stabilizer is one or more following：Lead salt base class heat stabilizer, fatty acid salt heat
Stabilizer, complex lead salt type thermal stabilizing agent, rare earth type thermal stabilizing agent, organic tin heat stabilizer.
Preferably, the processing aid is one or more following：ACM-01、ACR-201、ACR-401.
Preferably, the lubricant is one or more following：Paraffin, stearic acid, oleic acid, microwax, polyethylene
Wax, OPE, calcium stearate, zinc stearate, lead stearate.
Preferably, the foaming agent is one or more following：Azo foaming agent, inorganic foaming agent.
Preferably, the foaming control agent is processing aids acrylic resin.
Preferably, the sheet metal thickness is 6-20mm.
Compared with prior art, advantage of the present utility model and good effect be,
1st, the PVC low-foamed sheets obtained by technical solutions of the utility model, the machinery for enhancing PVC low-foamed sheets is strong
Degree, while making the mechanical property of this product more excellent, is unlikely to deform, with good economic benefit and wide market prospects.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, below will be to being wanted needed for embodiment description
The accompanying drawing for using is briefly described, it should be apparent that, drawings in the following description are some embodiments of the present utility model,
For those of ordinary skill in the art, without having to pay creative labor, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the structural representation of PVC low ratio foamed plates.
Fig. 2 is the structural representation of grid cloth.
In Fig. 1,1, upper PVC foam layer；2nd, lower PVC foam layer；3rd, grid cloth.
Specific embodiment
It is below in conjunction with the accompanying drawings and real in order to be more clearly understood that above-mentioned purpose of the present utility model, feature and advantage
Example is applied to be described further the utility model.It should be noted that in the case where not conflicting, embodiments herein and reality
Applying the feature in example can be mutually combined.
Many details are elaborated in the following description in order to fully understand the utility model, but, this practicality
It is new to implement using different from other modes described here, therefore, the utility model is not limited to be described below
The limitation of the specific embodiment of specification.
Embodiment 1
According to weight proportion, 100 parts of S-700 types polyvinyl chloride resin is chosen, 80 parts of active fine particle calcium carbonate, 5 parts of complex lead salt stabilizer,
In-lubricant selects 1.2 parts of stearic acid, 0.6 part of OPE, and external lubricant selects 0.46 part of Tissuemat E, and foaming agent selects the AC to be
0.64 part, NaHCO3It it is 2.2 parts, 8 parts of ACM-01 impact modifiers, esters of acrylic acid foaming control agent is 21 parts, feed back 120
Part.Above-mentioned material is all added in homogenizer, 90-120 DEG C is heated to, and is incubated 15min, high-speed stirred is uniform.It is cold
Mix to after 25-45 DEG C, material enters feed bin, extruded through double screw extruder, material foams via the mould after improvement, with tiling
Grid cloth in mould center is together molded, and it is PVC foam layer to form upper and lower layer, and sandwich layer is the three-layer reinforced structure of grid cloth,
Through Vacuum shaping, cooling shaping, traction, cutting are obtained PVC low-foamed sheets.
Processing parameter setting is as follows：
Fuselage operating temperature is 150-180 DEG C, and merging core temperature is 150-170 DEG C, and mold temperature is 150-210 DEG C, main
Machine rotating speed 16-22r/min, feeding rotating speed is 30-35r/min.
Embodiment 2
According to weight proportion, 100 parts of S-700 types polyvinyl chloride resin, 60 parts of active fine particle calcium carbonate, 5 parts of calcium zinc stabilizer, interior profit are chosen
Lubrication prescription selects 1.0 parts of calcium stearate, 0.5 part of OPE, and external lubricant selects 0.55 part of Tissuemat E, and foaming agent selects the AC to be
0.60 part, NaHCO3It it is 2.3 parts, 9 parts of ACM-01 impact modifiers, esters of acrylic acid foaming control agent is 20 parts, feed back 100
Part.Above-mentioned material is all added in homogenizer, 90-120 DEG C is heated to, and is incubated 15min, high-speed stirred is uniform.It is cold
Mix to after 25-45 DEG C, material enters feed bin, extruded through double screw extruder, material foams via the mould after improvement, with tiling
Grid cloth in mould center is together molded, and it is PVC foam layer to form upper and lower layer, and sandwich layer is the three-layer reinforced structure of grid cloth,
Through Vacuum shaping, cooling shaping, traction, cutting are obtained PVC low-foamed sheets.
Processing parameter setting is as follows：
Fuselage operating temperature is 150-180 DEG C, and merging core temperature is 150-170 DEG C, and mold temperature is 150-210 DEG C, main
Machine rotating speed 16-22r/min, feeding rotating speed is 30-35r/min.
Embodiment 3
According to weight proportion, 100 parts of S-700 types polyvinyl chloride resin is chosen, 10 parts of active fine particle calcium carbonate, 4 parts of organic tin stabilizer is interior
Lubricant selects 0.5 part of stearic acid, 0.6 part of OPE, external lubricant to select 0.8 part of paraffin, 0.4 part of Tissuemat E, foaming
It is 0.5 part, NaHCO that AC is selected in agent3It is 2.4 parts, 12 parts of ACM-01 impact modifiers, esters of acrylic acid foaming control agent is 18 parts,
80 parts of feed back.Above-mentioned material is all added in homogenizer, 90-120 DEG C is heated to, and is incubated 15min, high-speed stirred is equal
It is even.Cold to mix to after 25-45 DEG C, material enters feed bin, is extruded through double screw extruder, and material foams via the mould after improvement,
Together it is molded with the grid cloth for being laid in mould center, it is PVC foam layer to form upper and lower layer, and sandwich layer is three layers of increasing of grid cloth
Strong structure, through Vacuum shaping, cooling shaping, traction, cutting are obtained PVC low-foamed sheets.
Processing parameter setting is as follows：
Fuselage operating temperature is 150-180 DEG C, and merging core temperature is 150-170 DEG C, and mold temperature is 150-210 DEG C, main
Machine rotating speed 16-22r/min, feeding rotating speed is 30-35r/min.
Method of the utility model by adding grid cloth in the sandwich layer of PVC foam sheet material, not only makes hard PVC low ratio foamed
The production cost of sheet material is greatly reduced, and on the other hand, after testing, its bending strength, bending modulus, tensile strength, shock resistance are strong
The mechanical properties such as degree are significantly improved.The utility model resulting product good appearance, excellent in mechanical performance, are unlikely to deform, greatly
The big application field for extending hard PVC low-foamed sheet.
The above, is only preferred embodiment of the present utility model, is not to make other forms to the utility model
Limitation, any those skilled in the art are changed possibly also with the technology contents of the disclosure above or are modified as equivalent
The Equivalent embodiments of change are applied to other fields, but every without departing from technical solutions of the utility model content, according to this reality
Any simple modification, equivalent variations and the remodeling made to above example with new technical spirit, still fall within this practicality new
The protection domain of type technical scheme.
Claims (8)
1. a kind of PVC low-foamed sheets, including upper and lower PVC foam layer and sandwich layer, the sandwich layer are grid cloth, it is characterised in that
Vertically and horizontally braided wires are consistent for the grid of the grid cloth, and the square hole length of side is 4-6mm, the grid cloth by following parts by weight original
Material is prepared from：100 parts of Corvic, filler≤80 part, heat stabilizer 2-8 parts, processing aid 6-14 parts, outer lubrication
Agent 0.4-0.6 parts, in-lubricant 0.6-2 parts, foaming agent 0.2-3 parts, foaming control agent 18-22 parts.
2. a kind of PVC low-foamed sheets according to claim 1, it is characterised in that：The filler is following one kind
Or it is several：Precipitated calcium carbonate, powdered whiting, active fine particle calcium carbonate.
3. a kind of PVC low-foamed sheets according to claim 1, it is characterised in that：The heat stabilizer is following one
Plant or several：Lead salt base class heat stabilizer, soap type thermal stabilizing agent, complex lead salt type thermal stabilizing agent, terres rares are thermally-stabilised
Agent, organic tin heat stabilizer.
4. a kind of PVC low-foamed sheets according to claim 1, it is characterised in that：The processing aid is following one
Plant or several：ACM-01、ACR-201、ACR-401.
5. a kind of PVC low-foamed sheets according to claim 1, it is characterised in that：The lubricant is following one kind
Or it is several：Paraffin, stearic acid, oleic acid, microwax, Tissuemat E, OPE, calcium stearate, zinc stearate, stearic acid
Lead.
6. a kind of PVC low-foamed sheets according to claim 1, it is characterised in that：The foaming agent is following one kind
Or it is several：Azo foaming agent, inorganic foaming agent.
7. a kind of PVC low-foamed sheets according to claim 1, it is characterised in that：The foaming control agent is acrylic acid
Esters processing aid.
8. a kind of PVC low-foamed sheets according to claim 1, it is characterised in that：The sheet metal thickness is 6-20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620967596.7U CN206201314U (en) | 2016-08-29 | 2016-08-29 | A kind of PVC low-foamed sheets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620967596.7U CN206201314U (en) | 2016-08-29 | 2016-08-29 | A kind of PVC low-foamed sheets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206201314U true CN206201314U (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620967596.7U Expired - Fee Related CN206201314U (en) | 2016-08-29 | 2016-08-29 | A kind of PVC low-foamed sheets |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106273189A (en) * | 2016-08-29 | 2017-01-04 | 聊城金新建筑节能股份有限公司 | A kind of PVC low-foamed sheet and preparation method thereof |
-
2016
- 2016-08-29 CN CN201620967596.7U patent/CN206201314U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106273189A (en) * | 2016-08-29 | 2017-01-04 | 聊城金新建筑节能股份有限公司 | A kind of PVC low-foamed sheet and preparation method thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170531 Termination date: 20200829 |