CN1799809A - Irradiated crosslinked polyalkene foaming equipment - Google Patents
Irradiated crosslinked polyalkene foaming equipment Download PDFInfo
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- CN1799809A CN1799809A CN 200410082366 CN200410082366A CN1799809A CN 1799809 A CN1799809 A CN 1799809A CN 200410082366 CN200410082366 CN 200410082366 CN 200410082366 A CN200410082366 A CN 200410082366A CN 1799809 A CN1799809 A CN 1799809A
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- foamable
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- furnace chamber
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- 238000005187 foaming Methods 0.000 title claims abstract description 59
- 229920000098 polyolefin Polymers 0.000 title claims abstract description 47
- 239000000463 material Substances 0.000 claims abstract description 53
- 238000001816 cooling Methods 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 238000003490 calendering Methods 0.000 claims abstract description 10
- 230000005855 radiation Effects 0.000 claims abstract description 6
- 239000006260 foam Substances 0.000 claims description 25
- 125000004122 cyclic group Chemical group 0.000 claims description 14
- 238000005096 rolling process Methods 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 6
- 238000009966 trimming Methods 0.000 claims description 5
- 239000012774 insulation material Substances 0.000 claims description 4
- 239000011257 shell material Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 11
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 11
- 239000004604 Blowing Agent Substances 0.000 description 10
- 238000004132 cross linking Methods 0.000 description 8
- 239000000758 substrate Substances 0.000 description 7
- -1 polyethylene Polymers 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 4
- 229920001038 ethylene copolymer Polymers 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 239000003431 cross linking reagent Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 2
- 206010000269 abscess Diseases 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010382 chemical cross-linking Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 239000003550 marker Substances 0.000 description 2
- 229920002959 polymer blend Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
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Abstract
The invention relates to a foaming device of radiation cross-linked polyolefin coiled material, which mainly comprises a coil feeding device formed by a support, an traction-compression rod, a endless conveyer; a preheating foaming furnace whose chamber is formed by horizontal and vertical parts in corner shape; a unfolding device vertical to the chamber; a roller cooling unfolding device, and a traction-coiling device formed a tension rod, a traction rod and a coiling support; it also can comprises additional calendaring, corona and edge-cut devices at the front of traction-coiling device. The invention utilizes the upright heating foaming chamber, to make the foaming base material in natural hanging condition to process foaming and confirm the sheet material in natural condition when in foaming. The invention has the advantages of uniformly heated, fully foaming, simple device, lower cost, high producing efficiency, lower energy consumption and non-pollution.
Description
Technical field
The invention belongs to the device of making cross-linked polyolefin material, specifically a kind of irradiated crosslinked polyalkene foaming equipment with even, fine and closely woven, closed micropore.
Background technology
Make this material of the many cavitys in inside that obtain behind blowing agent decomposition, the vaporized expanding after in the base material of TPO material, evenly sneaking into blowing agent through heating, have very strong damping, heat-blocking action, be widely used in the insulation of equipment, the packing of commodity, especially pass through crosslinked foam polyolefin material, because of the swelling gasbag hole that its inner cavity is numerous sealing, intensity and heat-proof quality are better.At present, the mode of producing crosslinking polyolefin foaming mainly is chemical crosslinking foaming and physical crosslinking foaming, and the chemical crosslinking foaming makes its crosslinked post-foaming earlier through heating again with compression moulding after sneaking into crosslinking agent, blowing agent in the polyolefin substrate, for example:
11 days October nineteen ninety-five of Chinese patent, the denomination of invention of bulletin was: the manufacture method of cross-linked polyolefin foam (patent No. 85109232.2) relates to and having evenly, the cross-linked polyolefin foam of the tough and tensile and thick type of fine and closely woven closed porosity, its preparation method comprises, by melt flow rate (MFR) is polyolefin and the crosslinking agent of 0.1-5.0, blowing agent mixes mutually with the blowing promotor that can select to use and makes, its each component is measured adding in accordance with regulations, obtain crosslinkable, foamable resin combination, in the mould of reservation shape, molded resin composition under the condition of pressurization and heating, making its gel percentage is 10-70%, expansion rate is 1 to 3 times of initial volume, then under atmospheric pressure to the crosslinked of above-mentioned moulding but not the resin combination of foaming carry out heat foamable. make polyolefin foam.
Chinese patent bulletin on November 27th, 2000, denomination of invention is: the manufacture method (patent No. 00132548.5) of open coiled continuously at ordinary pressure formula foam polyethylene relates to a kind of manufacture method of open coiled continuously at ordinary pressure formula foam polyethylene, with constituent, behind mixing arrangement and film generation device, batch by foam device foamable, cooling, make type continuously rolled foamed products; Also can be with the reinforcement material, through the paper device, give foaming again after fitting with the film that is shaped and cooling is batched, promptly get compound rolled foamed product.Have that method for making is simple and easy, production efficiency is high, uniform intensity and jointless continuous foamed body.
Chinese patent was announced on 01 16th, 2002, denomination of invention is: the production technology of cross-linked foam polyolefin material (patent No. 00110602.3), the production technology that relates to a kind of cross-linked foam polyolefin material specifically are to adopt (1) successively, with common process polyolefin, crosslinking agent, blowing agent are made expandable polyolefine material; (2), with the above-mentioned expandable polyolefine material heating that makes, carry out crosslinkedly, make its crosslinking degree reach 50-99%, save crosslinking with radiation technology; (3) above-mentioned sheet material after crosslinked is delivered to shake table in vibration work, is continued sheet material is heated to more than the decomposition temperature of blowing agent, to the blowing agent residual quantity less than 5% of blowing agent input amount, promptly make cross-linked foam polyolefin material.
Above-mentioned three inventions had both disclosed sheet material, the heating and mould pressing foaming of coiled material, the free foaming method of cross-linked foam polyolefin material, a kind of equipment that is different from mattress suspension method and the horizontal foamable of bath of liquid method has also been described, with shake table as horizontal foaming platform, realize that the cross-linked polyolefin material all can more freely stretch at three-dimensional when foaming, to solve big, the equipment manufacturing cost of the technology difficulty that adopts mattress to suspend, make that equipment manufacturing cost height and bath of liquid foaming solution consumption are big, reclaim and reuse difficulty, pollution sheet material, problem of environment pollution caused.But shaking platform still is not separated with the crosslinking polyolefin foaming base material after all fully.And only be intermittent soaring, contact with shaking platform this face still have hinder the length and width direction frictional force this one of be, can not make two-sided heating identical this be two, therefore still can cause the inconsistent of the two-sided form of expanded material and descend with the exterior quality of this face that contacts with shaking platform.
Summary of the invention
The object of the present invention is to provide a kind ofly can allow the crosslinking polyolefin foaming base material all can freely stretch at three-dimensional, expanding has the irradiated crosslinked polyalkene foaming equipment of even, fine and closely woven, closed micropore and uniform intensity, jointless continuous foamed body with acquisition.
The present invention is implemented by following technical proposals:
Irradiated crosslinked polyalkene foaming equipment of the present invention, it is by unreeling pay-off, preheating foamable stove, the cooling expanding unit, the traction wrap-up is formed, unreel pay-off by the unwinding rack that sets gradually, lead pressure roller, cyclic conveyor is formed, its furnace cavity of preheating foamable stove is angle square shape, be that preheating furnace chamber and vertically disposed foamable furnace chamber by horizontal positioned combines, also be provided with the foam polyolefin material expanding unit in this foamable furnace chamber, the cyclic conveyor that unreels pay-off extends the preheating furnace chamber and foamable stove junction that places preheating foamable stove, drum-type cooling expanding unit be drum-type be located at foamable furnace chamber exit, by idler roller, the traction wrap-up that carry-over pinch rolls and rolling frame are formed is arranged on thereafter; Make the expanding unit that foam polyolefin material can adhesion and can also be provided with in the foamable furnace chamber of preheating foamable stove, it is to be arranged at vertical foamable stove middle part, be arranged to foam sheet is formed the clamping shape, also can slightly be permitted up and down to stagger, this expanding unit is to adopt the machine driving rotation, hollow cylinder band cooling system, it is divided in foamable furnace chamber inside and penetrates the club of encorbelmenting in the furnace wall; Preheating foamable stove can be the square-section shape column of hollow, is shell from outside to inside successively, insulation material, and liner, the far away red place heating element heater of being located on the inner lining of furnace wall is formed; The cylinder type cold radiator cooler can be to be heat exchange walls with the outer tube wall, uses liquid medium to cool off; Can be provided with dividing plate along axis direction in the preheating furnace chamber of its horizontal positioned of preheating foamable stove in addition; Be to be positioned at cooling device can also be equipped with the coiled material calendering device afterwards again, this device is the rotation pressure roller that is provided with in pairs; Also can also be equipped with the surface-treated corona unit after being positioned at the coiled material calendering device; Also can also be equipped with trimming mechanism after being positioned at the coiled material calendering device.
Irradiated crosslinked polyalkene foaming equipment of the present invention, adopt the preheating furnace chamber of horizontal positioned and the structure of vertically disposed foamable furnace chamber combination, Far-infrared Heating, rolling continuously, unreel mode, make foamed substrate preheating in the preheating furnace chamber of horizontal positioned, to upright foamable furnace chamber, foam, allow foamed substrate hang in the furnace chamber naturally, not with the supporter adhesion, rely on self intensity, utilize the vertical continuously mobile and foaming of gravity downwards, the unanimity of being heated during the foaming of its foamed substrate, three-dimensional stretches free fully, and the product internal-external temperature difference is little, and blowing agent decomposes fully, abscess is fine and closely woven, the product surface exquisiteness, heating heat transfer efficiency height, firing rate is fast, and device structure is simple, cheap, the production efficiency height, specific energy consumption is low.
Description of drawings
Fig. 1 is the structural representation of irradiated crosslinked polyalkene foaming equipment embodiment 1 of the present invention
Fig. 2 is the structural representation of irradiated crosslinked polyalkene foaming equipment embodiment 2 of the present invention
The present invention is further illustrated below in conjunction with accompanying drawing
The specific embodiment
Embodiment one
As shown in fig. 1, irradiated crosslinked polyalkene foaming equipment of the present invention is by unreeling pay-off 1, preheating foamable stove 2, cooling expanding unit 3, parts such as traction wrap-up 4 are formed, this unreels pay-off 1 by the unwinding rack 11 that sets gradually, lead pressure roller 12, cyclic conveyor 13 constitutes, unwinding rack 11 is by bearing, rotating shaft, with the brake sub-assembly, leading pressure roller 12 is the rollers of rotation in opposite directions that are provided with in pairs, cyclic conveyor 13 is by conveyer belt, rotating cylinder is formed, preheating foamable stove 2 cross sections are to be designed to rectangle, preheating furnace chamber 21 and vertically disposed foamable furnace chamber 22 by horizontal positioned combine, the whole angle square shape that is of furnace cavity, cyclic conveyor 13 extends in the preheating furnace chamber 21 the axis junction with foamable furnace chamber 22 always outside the inlet of preheating foamable stove 2, cooling expanding unit 3 is the cylinders 31 by two pairs of liquid cools, 32 formations, it is located at foamable furnace chamber 22 exits successively, by idler roller 43, the traction wrap-up 4 that carry-over pinch rolls 42 and rolling frame 41 are formed is arranged on thereafter; And also be provided with foam polyolefin material expanding unit 5 in the foamable furnace chamber 22 of preheating foamable stove 2, this expanding unit is to be arranged at vertical foamable stove middle part, foam sheet is formed the clamping shape, by the machine driving rotation, the club of hollow belt cooling system; Preheating foamable stove is the furnace shell of being made by the aluminum silicate insulation material 25 between the shell 24 of steel, aluminium alloy lining 26, shell and liner, far infrared heating 27 set on aluminium alloy lining 26 walls is formed, and is provided with dividing plate 23 longitudinally in the preheating furnace chamber.
As shown in fig. 1, during foam production with prefabricated crosslinking with radiation polyalkene foaming rolling base material (mainly be Natene or ethylene copolymer and contain ethylene copolymer or the polyethylene polymer mixture, polypropylene etc.), pack in the unwinding rack 11, through leading pressure roller 12, cyclic conveyor 13 is carried horizontally disposed preheating furnace chamber 21 inlets that are loaded into preheating foamable stove 2, progressively heated by each preheating marker space, after cyclic conveyor 13 ends, freely hung by gravity traction to hang down in the vertically disposed foamable furnace chamber 22 of preheating foamable stove 2, this moment, temperature reached the stage of foaming, the flat substrates three-dimensional stretches " expansion " simultaneously because be provided with the clamping of the expanding unit 5 of band cooling system in the foaming furnace chamber 22, the operation downwards of the smooth-going ground of sheet material after the foaming is come out from the lower opening of foamable furnace chamber, then, walk around the chilling roll cooling cooling of cooling expanding unit 3 after idler roller 43, carry-over pinch rolls 42 are by 41 rollings of rolling frame.
Embodiment two
As shown in Figure 2, irradiated crosslinked polyalkene foaming equipment of the present invention comprises and unreels pay-off 1, preheating foamable stove 2, cooling expanding unit 3, also has coiled material calendering device 5 outside the traction wrap-up 4, surface corona device 6 and trimming mechanism 7, this unreels pay-off 1 by the unwinding rack 11 that sets gradually, lead pressure roller 12, cyclic conveyor 13 constitutes, unwinding rack 11 is by bearing, rotating shaft, with the brake sub-assembly, leading pressure roller 12 is the rollers of rotation in opposite directions that are provided with in pairs, cyclic conveyor 13 is by conveyer belt, rotating cylinder is formed, preheating foamable stove 2 cross sections are to be designed to rectangle, preheating furnace chamber 21 and vertically disposed foamable furnace chamber 22 by horizontal positioned combine, the whole angle square shape that is of furnace cavity, cyclic conveyor 13 extends in the preheating furnace chamber 21 the axis junction with foamable furnace chamber 22 always outside the inlet of preheating foamable stove 2, cooling expanding unit 3 is the cylinders 31 by two pairs of liquid cools, 32 formations, it is located at foamable furnace chamber 22 exits successively, subsequently be rotation pressure roller 61 by paired setting, the 62 coiled material calendering devices of forming 6, idler roller 43, subsequently by two groups of electrodes and cross surface corona device 7 that material roller forms and by material roller 81 excessively, the trimming mechanism 8 that cutting knife 82 is formed, the most last is by idler roller 43, the traction wrap-up 4 that carry-over pinch rolls 42 and rolling frame 41 are formed.And also be provided with foam polyolefin material expanding unit 5 in the foamable furnace chamber 22 of preheating foamable stove 2, this expanding unit is to be arranged at vertical foamable stove middle part, foam sheet is formed the clamping shape, by the machine driving rotation, the club of hollow belt cooling system; Preheating foamable stove is the furnace shell of being made by the aluminum silicate insulation material 25 between the shell 24 of steel, aluminium alloy lining 26, shell and liner, far infrared heating 27 set on aluminium alloy lining 26 walls is formed, in preheating furnace chamber 21, also be provided with dividing plate 23 longitudinally, temperature in the preheating furnace chamber 21 are progressively improved, and the far infrared heating in the foamable furnace chamber 22 also is that the warm area that forms different gradients is set.
As shown in Figure 2, during foam production with prefabricated crosslinking with radiation polyalkene foaming rolling base material (mainly be Natene or ethylene copolymer and contain ethylene copolymer or the polyethylene polymer mixture, polypropylene etc.), pack in the unwinding rack 11, through leading pressure roller 12, cyclic conveyor 13 is carried horizontally disposed preheating furnace chamber 21 inlets that are loaded into preheating foamable stove 2, progressively heated by each preheating marker space, after cyclic conveyor 13 ends, freely hung by gravity traction to hang down in the vertically disposed foamable furnace chamber 22 of preheating foamable stove 2, this moment, temperature reached the stage of foaming, the flat substrates three-dimensional stretches " expansion " simultaneously because be provided with the clamping of the expanding unit 5 of band cooling system in the foaming furnace chamber 22, the operation downwards of the smooth-going ground of sheet material after the foaming is come out from the lower opening of foamable furnace chamber, then, the chilling roll cooling cooling of walking around cooling expanding unit 3 is after idler roller 43, calendering device 6, idler roller 43, surface corona device 7 and trimming mechanism 8 are by carry-over pinch rolls 42, idler roller 43, draw to 41 rollings of rolling frame.
Irradiated crosslinked polyalkene foaming equipment of the present invention, at difficult, inhomogeneous, the rough problem of material surface of foaming of slim irradiated crosslinked polyalkene foaming material horizontal foaming pneumatic floating control, adopt vertical foamable furnace chamber, just foamed substrate is in the state that nature hangs from above and foams, be in free state when having guaranteed the sheet material foaming, not with the supporter adhesion, thus fully foaming; Unwind roll launches fully sheet material in foaming process, eliminate sheet material fold, and make sheet material thermally equivalent, even foaming.Far-infrared Heating mode of heating in the foaming furnace chamber, avoided the pollution of salt bath method to the foamed material surface, the heat transfer efficiency faster 30-50 of air (be doubly) is arranged simultaneously, firing rate is also fast, take the control of segmentation temperature, guaranteed vertically to have in the foaming furnace rational temperature gradient and laterally even temperature field boundary distribution, guaranteed that sheet material is heated more equably, the product internal-external temperature difference is little, blowing agent decomposes fully, the product abscess is fine and closely woven, and the surface is fine and smooth, and pollution-free.
Claims (8)
1, a kind of irradiated crosslinked polyalkene coiled material foaming machine, it is characterized in that: it is by unreeling pay-off, preheating foamable stove, cooling device, the traction wrap-up is formed, the described pay-off that unreels is by the unwinding rack that sets gradually, lead pressure roller, cyclic conveyor is formed, its furnace cavity of preheating foamable stove is angle square shape, be that preheating furnace chamber and vertically disposed foamable furnace chamber by horizontal positioned combines, also be provided with the foam polyolefin material expanding unit in this foamable furnace chamber, cyclic conveyor extends the preheating furnace chamber that places preheating foamable stove, the cylinder type cold radiator cooler is located at foamable furnace chamber exit, by idler roller, the traction wrap-up that carry-over pinch rolls and rolling frame are formed is arranged on thereafter.
2, irradiated crosslinked polyalkene foaming equipment according to claim 1, it is characterized in that: the foam polyolefin material expanding unit that is provided with in the foamable furnace chamber of described preheating foamable stove is to be arranged at vertical foamable stove middle part, foam sheet is formed the clamping shape, by machine driving rotation, the club of hollow belt cooling system.
3, irradiated crosslinked polyalkene foaming equipment according to claim 1 and 2, it is characterized in that: described preheating foamable stove is the rectangle column of hollow, successively by shell, and insulation material, liner, the far infrared heating of being located on the inner lining of furnace wall is formed.
4, irradiated crosslinked polyalkene foaming equipment according to claim 3 is characterized in that: described cylinder type cold radiator cooler is to be heat exchange walls with the outer tube wall, uses liquid medium to cool off.
5, irradiated crosslinked polyalkene foaming equipment according to claim 4 is characterized in that: be provided with dividing plate along axis direction in the preheating furnace chamber of described its horizontal positioned of preheating foamable stove.
6, irradiated crosslinked polyalkene foaming equipment according to claim 5 is characterized in that: also be equipped with the coiled material calendering device after cooling device, this device is the rotation pressure roller that is provided with in pairs.
7, polyalkene foaming equipment is handed in radiation according to claim 6, it is characterized in that: also be equipped with the surface-treated corona unit after involving in the material calendering device.
8, polyalkene foaming equipment is handed in radiation according to claim 7, it is characterized in that: also be equipped with trimming mechanism after involving in the material calendering device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100823664A CN100420563C (en) | 2004-12-31 | 2004-12-31 | Irradiated crosslinked polyalkene foaming equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100823664A CN100420563C (en) | 2004-12-31 | 2004-12-31 | Irradiated crosslinked polyalkene foaming equipment |
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| Publication Number | Publication Date |
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| CN1799809A true CN1799809A (en) | 2006-07-12 |
| CN100420563C CN100420563C (en) | 2008-09-24 |
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| CNB2004100823664A Active CN100420563C (en) | 2004-12-31 | 2004-12-31 | Irradiated crosslinked polyalkene foaming equipment |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105599210A (en) * | 2016-03-16 | 2016-05-25 | 浙江润阳新材料科技股份有限公司 | Energy-saving foaming furnace |
| CN105619684A (en) * | 2016-03-16 | 2016-06-01 | 浙江润阳新材料科技股份有限公司 | Foaming furnace adopting multi-stage heating mode |
| CN105643946A (en) * | 2016-03-25 | 2016-06-08 | 浙江润阳新材料科技股份有限公司 | Energy-saving floor mat production line |
| CN105690781A (en) * | 2016-03-25 | 2016-06-22 | 浙江润阳新材料科技股份有限公司 | Production line for foam floor mats |
| CN105711024A (en) * | 2016-03-16 | 2016-06-29 | 浙江润阳新材料科技股份有限公司 | Efficient foaming equipment |
| CN108621523A (en) * | 2017-03-24 | 2018-10-09 | 卡西欧计算机株式会社 | The expanding method and computer readable storage medium of expansion device, stereo-picture formation system, thermal expansivity sheet material |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19804201A1 (en) * | 1998-02-03 | 1999-08-05 | Huels Troisdorf | Method and device for producing cross-linked polyolefin foams |
| EP1118453A1 (en) * | 2000-01-18 | 2001-07-25 | Nan Ya Plastics Corporation | A process using single screw extruder for producing a three layer co-extrusion biaxially oriented polypropylene synthetic paper of thickness 25-250um |
| JP4183997B2 (en) * | 2002-07-25 | 2008-11-19 | 株式会社カネカ | Polystyrene-based resin laminated foam sheet molded container with excellent impact resistance, and method for molding the container |
| CN2654327Y (en) * | 2003-08-14 | 2004-11-10 | 中国辐射防护研究院 | Polyethylene coiled material foaming equipment |
| CN2759754Y (en) * | 2004-12-31 | 2006-02-22 | 浙江交联电缆有限公司 | Radiation cross-linked polyolefin foaming equipment |
-
2004
- 2004-12-31 CN CNB2004100823664A patent/CN100420563C/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105599210A (en) * | 2016-03-16 | 2016-05-25 | 浙江润阳新材料科技股份有限公司 | Energy-saving foaming furnace |
| CN105619684A (en) * | 2016-03-16 | 2016-06-01 | 浙江润阳新材料科技股份有限公司 | Foaming furnace adopting multi-stage heating mode |
| CN105711024A (en) * | 2016-03-16 | 2016-06-29 | 浙江润阳新材料科技股份有限公司 | Efficient foaming equipment |
| CN105711024B (en) * | 2016-03-16 | 2017-10-10 | 浙江润阳新材料科技股份有限公司 | A kind of efficient foaming machine |
| CN105619684B (en) * | 2016-03-16 | 2018-03-20 | 浙江润阳新材料科技股份有限公司 | A kind of Multi-stage heating foaming furnace |
| CN105643946A (en) * | 2016-03-25 | 2016-06-08 | 浙江润阳新材料科技股份有限公司 | Energy-saving floor mat production line |
| CN105690781A (en) * | 2016-03-25 | 2016-06-22 | 浙江润阳新材料科技股份有限公司 | Production line for foam floor mats |
| CN105690781B (en) * | 2016-03-25 | 2017-11-17 | 浙江润阳新材料科技股份有限公司 | One kind foaming ground pad production line |
| CN108621523A (en) * | 2017-03-24 | 2018-10-09 | 卡西欧计算机株式会社 | The expanding method and computer readable storage medium of expansion device, stereo-picture formation system, thermal expansivity sheet material |
| CN108621523B (en) * | 2017-03-24 | 2020-10-16 | 卡西欧计算机株式会社 | Expansion device, stereoscopic image forming system, expansion method of thermal expansion sheet, and computer-readable storage medium |
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| Publication number | Publication date |
|---|---|
| CN100420563C (en) | 2008-09-24 |
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