CN103523332B - Low-temperature resistant plastic pallet and preparation method thereof - Google Patents
Low-temperature resistant plastic pallet and preparation method thereof Download PDFInfo
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- CN103523332B CN103523332B CN201310520033.4A CN201310520033A CN103523332B CN 103523332 B CN103523332 B CN 103523332B CN 201310520033 A CN201310520033 A CN 201310520033A CN 103523332 B CN103523332 B CN 103523332B
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- 238000000576 coating method Methods 0.000 claims abstract description 31
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- 239000002131 composite material Substances 0.000 claims abstract description 25
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- 239000003973 paint Substances 0.000 claims description 18
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- -1 sodium alkyl benzene Chemical class 0.000 claims description 11
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- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 10
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 claims description 7
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical class [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 5
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- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 5
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 5
- 229920000877 Melamine resin Polymers 0.000 claims description 5
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- JYXGIOKAKDAARW-UHFFFAOYSA-N N-(2-hydroxyethyl)iminodiacetic acid Chemical compound OCCN(CC(O)=O)CC(O)=O JYXGIOKAKDAARW-UHFFFAOYSA-N 0.000 claims description 5
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 5
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 5
- 235000011037 adipic acid Nutrition 0.000 claims description 5
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- JPNZKPRONVOMLL-UHFFFAOYSA-N azane;octadecanoic acid Chemical compound [NH4+].CCCCCCCCCCCCCCCCCC([O-])=O JPNZKPRONVOMLL-UHFFFAOYSA-N 0.000 claims description 5
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- 229910001634 calcium fluoride Inorganic materials 0.000 claims description 5
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims description 5
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 5
- WQDGUYZIAJKLAB-UHFFFAOYSA-N octan-2-yl nitrite Chemical compound CCCCCCC(C)ON=O WQDGUYZIAJKLAB-UHFFFAOYSA-N 0.000 claims description 5
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- 229910052708 sodium Inorganic materials 0.000 claims description 5
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- 238000005299 abrasion Methods 0.000 abstract description 5
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- WXUAQHNMJWJLTG-UHFFFAOYSA-N 2-methylbutanedioic acid Chemical compound OC(=O)C(C)CC(O)=O WXUAQHNMJWJLTG-UHFFFAOYSA-N 0.000 description 8
- 238000005507 spraying Methods 0.000 description 5
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- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention relates to a kind of low-temperature resistant plastic pallet, comprise the pallet matrix adopting low temperature resistant resin to make, and be formed with foaming composite coating on the surface of described pallet matrix, the thickness of described intumescent coating is 100 ~ 1000 μm.Low-temperature resistant plastic pallet of the present invention has the pallet matrix that low temperature resistant resin is made, there is good disruption characteristic and strength under shock under cryogenic, and not only improve low temperature sense of touch by the foaming composite coating that foam process is formed, effectively can prevent the generation of Cryogenic burns phenomenon, and durability and resistance to abrasion good.
Description
Technical field
The invention belongs to the technical field that pallet manufactures, in particular, the present invention relates to a kind of low-temperature resistant plastic pallet and preparation method thereof.
Background technology
In the prior art, the kind that pallet is classified by material mainly contains: wood pallets, bamboo pallet, multilayer board pallet, plastic pallet, steel tray, paper pallet, mould wood composite pallet.As wood pallets: not prevent fires, non-watertight, moisture-sensitive, easily infested, perishable; During disposable standard export packages material, stifling or heat treatment must be carried out, increase extra cost, extend opening hours; Make wood composite pallet and need cut down a large amount of forest, run in the opposite direction with environmental protection theme.Bamboo pallet: outward appearance tidiness has much room for improvement; Easily there is burr in corner; Low bearing capacity, does not prevent fires, non-watertight; Manufacture a large amount of glue in process, the market that PARA FORMALDEHYDE PRILLS(91,95) emission request is strict cannot be exported to.Plastic pallet: cost is high, intensity is low, erosion-resisting characteristics is poor; Structure and size have significant limitation, and the flexibility ratio of product specification is not high; Be made by polyvinyl chloride.Paper pallet: bearing capacity is too low, non-watertight, do not prevent fires, the easy moisture absorption, can not use for a long time in warehouse.
Especially at low temperature environment, the pallet that such as freezer or need uses in the environment of deepfreeze, needs to have excellent low-temperature properties.Consider from the angle of cryogenic mechanics performance, steel tray or other metal tray may be top-priority selections, but teel pallet not only from great, also easily cause corrosion, and more seriously under cryogenic operator need often to catch tactile, and metal belongs to the good conductor of heat, the heat that flows out from hand so can be caused very high, thus have ice-cold sense of touch, and can Cryogenic burns be caused; And to be applied or spray paint or the anti-corrosion coating of formation by conventional approach at steel surface, touch to hold frequently and cause coat of paint to come off with low temperature environment, paint coating conventional in addition can not improve ice-cold sense of touch.
Summary of the invention
In order to solve above-mentioned technical matters of the prior art, the object of the present invention is to provide a kind of low-temperature resistant plastic pallet and preparation method thereof.
A first aspect of the present invention it comprise: a kind of low-temperature resistant plastic pallet, comprise the pallet matrix adopting low temperature resistant resin to make, it is characterized in that being formed with foaming composite coating on the surface of described pallet matrix, the thickness of described intumescent coating is 100 ~ 1000 μm.
Wherein, described foaming composite coating is double-decker, and it comprises foaming layer and is positioned at the skin covering of the surface in foaming layer; And the thickness of described skin covering of the surface is 3 ~ 10 μm.
Wherein, the preparation method of described foaming composite coating comprises the following steps:
(1) readiness tray mould, and in tray die die cavity even application mold release;
(2) spray in mould in described tray die die cavity and paint, and dry;
(3) in described tray die die cavity, described pallet matrix is put into, and the described tray die that closes;
(4) use foaming machine by described tray die cast gate injecting frothing material;
(5), after sufficient reacting solidification, open affiliated handrail mould, take out the handrail after process.
A second aspect of the present invention, relate to the preparation method of above-mentioned low-temperature resistant plastic pallet, it comprises the following steps:
(1) low temperature resistant resin-cast is adopted to form pallet matrix;
(2) foam process is adopted to form foaming composite coating at described pallet matrix surface.
Wherein, described foaming composite coating adopts following technique to prepare:
(2-1) readiness tray mould, and in tray die die cavity even application mold release;
(2-2) spray in mould in described tray die die cavity and paint, and dry;
(2-3) in described tray die die cavity, described pallet matrix is put into, and the described tray die that closes;
(2-4) use foaming machine by described tray die cast gate injecting frothing material;
(2-5), after sufficient reacting solidification, open affiliated handrail mould, take out the handrail after process.
Low-temperature resistant plastic pallet of the present invention and preparation method thereof, compared with prior art, has following beneficial effect:
Low-temperature resistant plastic pallet of the present invention has the pallet matrix that low temperature resistant resin is made, there is good disruption characteristic and strength under shock under cryogenic, and not only improve low temperature sense of touch by the foaming composite coating that foam process is formed, effectively can prevent the generation of Cryogenic burns phenomenon, and resistance to low temperature and resistance to abrasion good.
Detailed description of the invention
Below with reference to specific embodiment, low-temperature resistant plastic pallet of the present invention and preparation method thereof is described further, has more complete, accurate and deep understanding to help those skilled in the art to inventive concept of the present invention, technical scheme.
Low-temperature resistant plastic pallet of the present invention, comprise the pallet matrix adopting low temperature resistant resin to make, described low temperature resistant resin is the maleic anhydride of 5 ~ 8wt%, the polypropylene glycol of 5 ~ 8wt%, the polydimethyl diloxanes of 12 ~ 15wt%, the chaff urea resin of 3 ~ 5wt%, the triethyl phosphate of 1.2 ~ 1.5wt%, the methylsuccinic acid of 0.5 ~ 0.8wt%, 2 of 0.3 ~ 0.5wt%, the compound of the polycarbonate of 4-dimethyl-6-tert-butyl phenol and surplus, can with normal melting molding process as compression moulding, cast or extrusion molding prepare pallet matrix.The surface of described pallet matrix is formed with foaming composite coating, and the thickness of described intumescent coating is 100 ~ 1000 μm; Described foaming composite coating is double-decker, and it comprises foaming layer and is positioned at the skin covering of the surface in foaming layer; And the thickness of described skin covering of the surface is 3 ~ 10 μm.The preparation method of described low-temperature resistant plastic pallet, it comprises the following steps: adopt low temperature resistant resin-cast to form the step of pallet matrix; This step can have been come by pouring procedure commonly known in the art, does not repeat them here; And adopt foam process to form foaming composite coating at described pallet matrix surface.And described foaming composite coating adopts following technique to prepare:
Readiness tray mould, carries out cleaning as exhausr port, perfusing hole etc. to mould, need check that inner chamber has free from admixture and residue; Evenly spray mold release by mould cavity, mold release adopts commercially available common mold release herein; Spray in mould in described tray die die cavity and paint, paint in described mould and be made up of the butyl acetate of the rosin modified phenolic resin of the P-hydroxybenzoic acid 2-Octyl Nitrite of the polyphenylene sulfide of the methyl etherified melamine resin of the methyl methacrylate of 15 ~ 18wt%, 12 ~ 15wt%, 12 ~ 15wt%, 1.2 ~ 1.5wt%, 5 ~ 8wt%, the calcium fluoride of 1.2 ~ 1.5wt%, the nano aluminium oxide of 8 ~ 10wt% and surplus; In described mould, paint can by known coating processs such as such as airless spraying, aerial spraying, electrostatic sprayings, and the temperature that drying is cured is about 80 DEG C, and the time is about 30 min.Described pallet matrix is put in described tray die die cavity, and the described tray die that closes; Expanded material is stirred and adds bottler, then the die cavity discharging gate of bottler being aimed at mould carries out material feeding, pouring foaming material in mould; Described expanded material by the TDI of 25 ~ 30wt%, the adipic acid BDO ester of 20 ~ 25wt%, the BDO of 5 ~ 8wt%, the Lauxite of 12 ~ 15wt%, 4 of 2.8 ~ 3.2wt%, 4
,the hydroxyethyliminodiacetic acid of the ammonium stearate of the sodium alkyl benzene sulfonate of-diaminodiphenyl ether, 0.50 ~ 0.75wt%, the pigment of 1.2 ~ 1.5wt%, 0.25 ~ 0.50wt%, the methylsuccinic acid sodium of 0.25 ~ 0.5wt%, 0.25 ~ 0.5wt% and the methyl methacrylate of surplus are formed; React after 30-50 minute, open mould, take out handrail.The foaming composite coating formed by foam process not only improves low temperature sense of touch, effectively can prevent the generation of Cryogenic burns phenomenon, and resistance to low temperature and resistance to abrasion good.
embodiment 1
The pallet matrix adopting low temperature resistant resin to make is related generally to described in the present embodiment, described low temperature resistant resin is the compound of the polycarbonate of the maleic anhydride of 8wt%, the polypropylene glycol of 5wt%, the polydimethyl diloxanes of 15wt%, the chaff urea resin of 5wt%, the triethyl phosphate of 1.5wt%, the methylsuccinic acid of 0.5wt%, 2, the 4-dimethyl-6-tert-butyl phenols of 0.5wt% and surplus; Then obtain complex with injection machine injection moulding and pour into a mould obtaining described low-temperature resistant plastic pallet under the temperature conditions of 260 DEG C.
embodiment 2
the pallet matrix adopting low temperature resistant resin to make is related generally to described in the present embodiment, described low temperature resistant resin is the compound of the polycarbonate of the maleic anhydride of 5wt%, the polypropylene glycol of 8wt%, the polydimethyl diloxanes of 15wt%, the chaff urea resin of 5wt%, the triethyl phosphate of 1.2wt%, the methylsuccinic acid of 0.5wt%, 2, the 4-dimethyl-6-tert-butyl phenols of 0.5wt% and surplus; Then obtain complex with injection machine injection moulding and pour into a mould obtaining described low-temperature resistant plastic pallet under the temperature conditions of 260 DEG C.
embodiment 3
The pallet matrix surface foaming composite coating that embodiment 1 is formed adopts following technique to prepare: readiness tray mould, carries out cleaning as exhausr port, perfusing hole etc., need check that inner chamber has free from admixture and residue to mould; Evenly spray mold release by mould cavity, mold release adopts commercially available common mold release herein; Spray in mould in described tray die die cavity and paint, paint in described mould and be made up of the butyl acetate of the rosin modified phenolic resin of the P-hydroxybenzoic acid 2-Octyl Nitrite of the polyphenylene sulfide of the methyl etherified melamine resin of the methyl methacrylate of 15wt%, 12wt%, 15wt%, 1.5wt%, 8wt%, the calcium fluoride of 1.2wt%, the nano aluminium oxide of 10wt% and surplus; In described mould, paint can be formed by aerial spraying, and the temperature that drying is cured is about 80 DEG C, and the time is about 30 min.Described pallet matrix is put in described tray die die cavity, and the described tray die that closes; Expanded material is stirred and adds bottler, then the die cavity discharging gate of bottler being aimed at mould carries out material feeding, pouring foaming material in mould; Described expanded material by the adipic acid BDO ester of TDI, 20wt% of 25wt%, the BDO of 5wt%, the Lauxite of 15wt%, 4 of 3.2wt%, 4
,the hydroxyethyliminodiacetic acid of the ammonium stearate of the sodium alkyl benzene sulfonate of-diaminodiphenyl ether, 0.75wt%, the titanium dioxide of 1.2wt%, 0.50wt%, the methylsuccinic acid sodium of 0.25wt%, 0.25wt% and the methyl methacrylate of surplus are formed; React after 30-50 minute, open mould, take out handrail.The foaming composite coating formed by foam process not only improves low temperature sense of touch, effectively can prevent the generation of Cryogenic burns phenomenon, and resistance to low temperature and resistance to abrasion good.Adopt above-mentioned technique, can form on described metal handrail surface the intumescent coating that thickness is about 300 μm.
embodiment 4
The pallet matrix surface foaming composite coating that embodiment 2 is formed adopts following technique to prepare: readiness tray mould, carries out cleaning as exhausr port, perfusing hole etc., need check that inner chamber has free from admixture and residue to mould; Evenly spray mold release by mould cavity, mold release adopts commercially available common mold release herein; Spray in mould in described tray die die cavity and paint, paint in described mould and be made up of the butyl acetate of the rosin modified phenolic resin of the P-hydroxybenzoic acid 2-Octyl Nitrite of the polyphenylene sulfide of the methyl etherified melamine resin of the methyl methacrylate of 18wt%, 12wt%, 12wt%, 1.5wt%, 5wt%, the calcium fluoride of 1.2wt%, the nano aluminium oxide of 8wt% and surplus; In described mould, paint can by known coating processs such as such as airless spraying, aerial spraying, electrostatic sprayings, and the temperature that drying is cured is about 80 DEG C, and the time is about 30 min.Described pallet matrix is put in described tray die die cavity, and the described tray die that closes; Expanded material is stirred and adds bottler, then the die cavity discharging gate of bottler being aimed at mould carries out material feeding, pouring foaming material in mould; Described expanded material by the adipic acid BDO ester of TDI, 20wt% of 30wt%, the BDO of 8wt%, the Lauxite of 12wt%, 4 of 2.8wt%, 4
,the hydroxyethyliminodiacetic acid of the ammonium stearate of the sodium alkyl benzene sulfonate of-diaminodiphenyl ether, 0.50wt%, the titanium dioxide of 1.5wt%, 0.50wt%, the methylsuccinic acid sodium of 0.25wt%, 0.25wt% and the methyl methacrylate of surplus are formed; React after 30-50 minute, open mould, take out handrail.The foaming composite coating formed by foam process not only improves low temperature sense of touch, effectively can prevent the generation of Cryogenic burns phenomenon, and resistance to low temperature and resistance to abrasion good.
comparative example 1
The pallet matrix adopting low temperature resistant resin to make is related generally to described in the present embodiment, described low temperature resistant resin is the compound of the polycarbonate of the maleic anhydride of 8wt%, the polypropylene glycol of 5wt%, the polydimethyl diloxanes of 15wt%, the triethyl phosphate of 1.5wt%, 2, the 4-dimethyl-6-tert-butyl phenols of 0.5wt% and surplus; Then obtain complex with injection machine injection moulding and pour into a mould obtaining described low-temperature resistant plastic pallet under the temperature conditions of 260 DEG C.
Fracture tensile strength and the IZOD impact property of embodiment 1-2 and comparative example 1 is measured according to ASTM D638, ASTM D790.Result of a measurement shows: the fracture tensile strength of embodiment 1-2 and the plastics described in comparative example 1 is 50 ~ 55MPa (23 DEG C), but-40 DEG C time, the IZOD strength under shock of plastics described in embodiment 1-2 can reach 320 ~ 400 J/m, and comparative example 1 only only has 30 ~ 50 J/m.Visible, add chaff urea resin and methylsuccinic acid wherein and can significantly improve material impact resistance under cryogenic and mechanical property, significantly improve the resistance to low temperature of material.
In the present invention; for the ordinary skill in the art described; specific embodiment is just to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention without to improve.
Claims (7)
1. a low-temperature resistant plastic pallet, comprise the pallet matrix adopting low temperature resistant resin to make, it is characterized in that: on the surface of described pallet matrix, be formed with foaming composite coating, the thickness of described foaming composite coating is 100 ~ 1000 μm; And the preparation method of described foaming composite coating comprises the following steps:
(1) readiness tray mould, and in tray die die cavity even application mold release;
(2) spray in mould in described tray die die cavity and paint, and dry;
(3) in described tray die die cavity, described pallet matrix is put into, and the described tray die that closes;
(4) use foaming machine by described tray die cast gate injecting frothing material;
(5), after sufficient reacting solidification, open affiliated handrail mould, take out the handrail after process.
2. low-temperature resistant plastic pallet according to claim 1, is characterized in that: described foaming composite coating is double-decker, and it comprises foaming layer and is positioned at the skin covering of the surface in foaming layer; And the thickness of described skin covering of the surface is 3 ~ 10 μm.
3. low-temperature resistant plastic pallet according to claim 1, is characterized in that: paint in described mould and be made up of the butyl acetate of the rosin modified phenolic resin of the P-hydroxybenzoic acid 2-Octyl Nitrite of the polyphenylene sulfide of the methyl etherified melamine resin of the methyl methacrylate of 15 ~ 18wt%, 12 ~ 15wt%, 12 ~ 15wt%, 1.2 ~ 1.5wt%, 5 ~ 8wt%, the calcium fluoride of 1.2 ~ 1.5wt%, the nano aluminium oxide of 8 ~ 10wt% and surplus.
4. low-temperature resistant plastic pallet according to claim 1, it is characterized in that: described expanded material is by the TDI of 25 ~ 30wt%, the adipic acid 1 of 20 ~ 25wt%, 4-butanediol ester, 1 of 5 ~ 8wt%, 4-butylene glycols, the Lauxite of 12 ~ 15wt%, 4 of 2.8 ~ 3.2wt%, 4 '-diaminodiphenyl ether, the sodium alkyl benzene sulfonate of 0.50 ~ 0.75wt%, the pigment of 1.2 ~ 1.5wt%, the ammonium stearate of 0.25 ~ 0.50wt%, the methylsuccinic acid sodium of 0.25 ~ 0.5wt%, the hydroxyethyliminodiacetic acid of 0.25 ~ 0.5wt% and the methyl methacrylate of surplus are formed.
5. a preparation method for low-temperature resistant plastic pallet, it comprises the following steps:
(1) low temperature resistant resin-cast is adopted to form pallet matrix; (2) foam process is adopted to form foaming composite coating at described pallet matrix surface; It is characterized in that described foaming composite coating adopts following technique to prepare:
(2-1) readiness tray mould, and in tray die die cavity even application mold release;
(2-2) spray in mould in described tray die die cavity and paint, and dry;
(2-3) in described tray die die cavity, described pallet matrix is put into, and the described tray die that closes;
(2-4) use foaming machine by described tray die cast gate injecting frothing material;
(2-5), after sufficient reacting solidification, open affiliated handrail mould, take out the handrail after process.
6. the preparation method of low-temperature resistant plastic pallet according to claim 5, is characterized in that: paint in described mould and be made up of the butyl acetate of the rosin modified phenolic resin of the P-hydroxybenzoic acid 2-Octyl Nitrite of the polyphenylene sulfide of the methyl etherified melamine resin of the methyl methacrylate of 15 ~ 18wt%, 12 ~ 15wt%, 12 ~ 15wt%, 1.2 ~ 1.5wt%, 5 ~ 8wt%, the calcium fluoride of 1.2 ~ 1.5wt%, the nano aluminium oxide of 8 ~ 10wt% and surplus.
7. the preparation method of low-temperature resistant plastic pallet according to claim 5, it is characterized in that: described expanded material is by the TDI of 25 ~ 30wt%, the adipic acid 1 of 20 ~ 25wt%, 4-butanediol ester, 1 of 5 ~ 8wt%, 4-butylene glycols, the Lauxite of 12 ~ 15wt%, 4 of 2.8 ~ 3.2wt%, 4 '-diaminodiphenyl ether, the sodium alkyl benzene sulfonate of 0.50 ~ 0.75wt%, the pigment of 1.2 ~ 1.5wt%, the ammonium stearate of 0.25 ~ 0.50wt%, the methylsuccinic acid sodium of 0.25 ~ 0.5wt%, the hydroxyethyliminodiacetic acid of 0.25 ~ 0.5wt% and the methyl methacrylate of surplus are formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310520033.4A CN103523332B (en) | 2013-10-30 | 2013-10-30 | Low-temperature resistant plastic pallet and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310520033.4A CN103523332B (en) | 2013-10-30 | 2013-10-30 | Low-temperature resistant plastic pallet and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103523332A CN103523332A (en) | 2014-01-22 |
| CN103523332B true CN103523332B (en) | 2015-08-19 |
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| CN201310520033.4A Expired - Fee Related CN103523332B (en) | 2013-10-30 | 2013-10-30 | Low-temperature resistant plastic pallet and preparation method thereof |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2614693B1 (en) * | 1976-04-06 | 1977-10-13 | Schoeller Gmbh & Co Kg, 3400 Goettingen | |
| JPH03111253A (en) * | 1989-06-28 | 1991-05-13 | Nippon Petrochem Co Ltd | Sheet pallet |
| JP3493080B2 (en) * | 1995-06-12 | 2004-02-03 | 日本ポリオレフィン株式会社 | Cold-resistant sheet pallet |
| CN2359226Y (en) * | 1999-02-08 | 2000-01-19 | 刘胜祥 | Combined transport pallet made of paper honeycomb sandwich laminate |
| US6305301B1 (en) * | 1999-07-26 | 2001-10-23 | Piper Plastics, Inc. | Support structures such as pallets and methods and systems relating thereto |
| CN102329515A (en) * | 2010-07-13 | 2012-01-25 | 上海鑫鹏塑料制品有限公司 | Manufacturing method of plastic tray |
| CN101983897A (en) * | 2010-10-01 | 2011-03-09 | 黄祖良 | Aviation tray and manufacturing method thereof |
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Effective date of registration: 20170512 Address after: 515000, Longhu Industrial Zone, Guangdong, Shantou, 7, two stories Patentee after: Shantou Xinhui Pharmaceutical Packing Material Factory Co., Ltd. Address before: 318020 Taizhou Province, Huangyan District, the new street in the village of the former 1037, No., No. seven Patentee before: Fu Lanxun |
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