CN106957482A - A kind of hollow board material and its preparation technology - Google Patents

A kind of hollow board material and its preparation technology Download PDF

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Publication number
CN106957482A
CN106957482A CN201710196438.5A CN201710196438A CN106957482A CN 106957482 A CN106957482 A CN 106957482A CN 201710196438 A CN201710196438 A CN 201710196438A CN 106957482 A CN106957482 A CN 106957482A
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China
Prior art keywords
parts
raw material
hollow board
ldpe
density polyethylene
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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.)
Pending
Application number
CN201710196438.5A
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Chinese (zh)
Inventor
李辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhuhai Xisida Packing Material Co Ltd
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Zhuhai Xisida Packing Material Co Ltd
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Application filed by Zhuhai Xisida Packing Material Co Ltd filed Critical Zhuhai Xisida Packing Material Co Ltd
Priority to CN201710196438.5A priority Critical patent/CN106957482A/en
Publication of CN106957482A publication Critical patent/CN106957482A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
    • B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • 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
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/04—Punching, slitting or perforating
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/16—Drying; Softening; Cleaning
    • B32B38/164—Drying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets
    • B29L2007/002—Panels; Plates; Sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2022/00—Hollow articles
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/04—Punching, slitting or perforating
    • B32B2038/045—Slitting
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/54—Yield strength; Tensile strength
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/582—Tearability
    • B32B2307/5825—Tear resistant
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/066—LDPE (radical process)

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

The invention discloses a kind of hollow board material, including outer layer and internal layer, outer layer is made up of following raw material according to parts by weight：0,004 1.5 2.5 parts of 18 23 parts of low density polyethylene (LDPE), 65 73 parts of polypropylene, 46 parts of metallocene, 2.5 3.8 parts of toughener and MMPP, internal layer is made up of following raw material according to parts by weight：0,004 48 parts of 8 12 parts of calcium carbonate, 16 25 parts of low density polyethylene (LDPE), 38 43 parts of T30S types polypropylene, 17 22 parts of EPS 30R types polypropylene, 47 parts of toughener and MMPP.The present invention also disclosed the preparation technology of the sheet material.Rationally, raw material sources are extensive, it is adaptable to large-scale industrial production for inventive formulation；The present invention merges different several property of raw material using automatic mixing machine, using the double set extruders of single screw rod and improve setting process technology, increase secondary reshaping and secondary sizing after being drawn through first time, lifting hollow board material pull-off force and tear edge, lift the use value and the scope of application of product.

Description

A kind of hollow board material and its preparation technology
Technical field
The present invention relates to a kind of packaging material, specifically a kind of hollow board material.
Background technology
Hollow sheeting is that based on polypropylene raw material, by raw material, then filler parent granule and color masterbatch input batch mixer batch mixing pass through Compound is sent to extruder by screw feeding machine, and 6-7 sections of extruder screw temperature control point is connected from screw feed area to net-changing device Area's temperature setting from low to high, is set to 165-210 DEG C, it is allowed to deviation ± 5 DEG C；Melted material enters mould, mould through net-changing device 9 temperature controlled regions of tool point, interval temperature setting is 195 ± 15 DEG C, and melted material, which goes out, enters calibrator, calibrator table top temperature after mould 15-25 DEG C of degree, shapes for forming hollow board material by calibrator；Hollow board material after shaping is successively entered by former and later two hauling machines Row traction, size needed for then cutting according to demand, hollow board material has stronger tension stress, humidity resistance good, sturdy and durable It is good toughness, nonpoisonous and tasteless, the features such as environmentally friendly.Because it is wide using scope, it is commonly used to replace carton, injection case etc., can also fits For the purposes of other side, because purposes is wider, it has commercially been occupied good coverage rate, can be wanted according to client Summation sample, production lettering, impression mark and the Turnover Box with different colours, different-thickness, different in width and length, still The phenomenon for scraping flower prod occurs in existing hollow sheeting in use, and this just brings inconvenience for the use of people.
The content of the invention
It is an object of the invention to provide a kind of hollow board material, the problem of to solve to propose in above-mentioned background technology.
To achieve the above object, the present invention provides following technical scheme：
A kind of hollow board material, including outer layer and internal layer, outer layer are made up of following raw material according to parts by weight：Low density polyethylene (LDPE) 1.5-2.5 parts of 18-23 parts, 65-73 parts of polypropylene, 4-6 parts of metallocene, 2.5-3.8 parts of toughener and MMPP-0004, internal layer by Following raw material is constituted according to parts by weight：8-12 parts of calcium carbonate, 16-25 parts of low density polyethylene (LDPE), 38-43 parts of T30S type polypropylene, 4-8 parts of 17-22 parts of EPS 30R type polypropylene, 4-7 parts of toughener and MMPP-0004.
It is used as further scheme of the invention：In outer layer poly- third in the model DFDA 7042 of low density polyethylene (LDPE), outer layer Toughener is adopted in the model LDPE 2426K of low density polyethylene (LDPE), outer layer and internal layer in the model EPS 30R of alkene, internal layer Use POE.
The preparation technology of the hollow board material, is comprised the following steps that：
Step one, raw material is examined, qualified raw material is weighed and is well mixed raw material in the machine, it is Celsius in 60-80 The lower drying of degree, obtains mixed material；
Step 2, mixed material is put into extruder and quality control method is taken, by the thing extruded in extruder Material is put into mould and carries out sizing application of vacuum；
Step 3, then the material after vacuum of shaping is put into hauling machine and drawn, the material progress after traction is secondary Material after heating, reheating, which is put into air-cooler, carries out secondary sizing；
Step 4, the article after secondary sizing puts into hauling machine the product carried out after second traction, second traction again It is put into lath cutter, you can obtain finished product.
It is used as further scheme of the invention：Extruder is using the double set extruders of single screw rod.
It is used as further scheme of the invention：Application of vacuum of shaping includes air blowing, air-breathing and water cooling.
Compared with prior art, the beneficial effects of the invention are as follows：Rationally, raw material sources extensively, prepare work to inventive formulation Skill is simple, it is adaptable to large-scale industrial production；The present invention merges different several property of raw material using automatic mixing machine, Using the double set extruders of single screw rod and setting process technology is improved, increase secondary reshaping and secondary fixed after being drawn through first time Type, lifting hollow board material pull-off force and tear edge, lift the use value and the scope of application of product.
Brief description of the drawings
Fig. 1 is the preparation technology flow chart of hollow board material.
Embodiment
The technical scheme of this patent is described in more detail with reference to embodiment.
Embodiment 1
A kind of hollow board material, including outer layer and internal layer, outer layer are made up of following raw material according to parts by weight：Low density polyethylene (LDPE) 1.5 parts of 18 parts, 65 parts of polypropylene, 4 parts of metallocene, 2.5 parts of toughener and MMPP-0004, internal layer is by following raw material according to weight Part composition：8 parts of calcium carbonate, 16 parts of low density polyethylene (LDPE), 38 parts of T30S types polypropylene, 17 parts of EPS 30R types polypropylene, toughener 4 parts and 4 parts of MMPP-0004.
The preparation technology of the hollow board material, is comprised the following steps that：
Step one, raw material is examined, qualified raw material is weighed and is well mixed raw material in the machine, at 60 c Dry, obtain mixed material；
Step 2, mixed material is put into the double set extruders of single screw rod and quality control method is taken, by extruder The material of middle extrusion is put into mould and carries out sizing application of vacuum；
Step 3, then the material after vacuum of shaping is put into hauling machine and drawn, the material progress after traction is secondary Material after heating, reheating, which is put into air-cooler, carries out secondary sizing；
Step 4, the article after secondary sizing puts into hauling machine the product carried out after second traction, second traction again It is put into lath cutter, you can obtain finished product.
Embodiment 2
A kind of hollow board material, including outer layer and internal layer, outer layer are made up of following raw material according to parts by weight：Low density polyethylene (LDPE) 2 parts of 20 parts, 70 parts of polypropylene, 5 parts of metallocene, 3 parts of toughener and MMPP-0004, internal layer is by following raw material according to parts by weight group Into：10 parts of calcium carbonate, 20 parts of low density polyethylene (LDPE), 40 parts of T30S types polypropylene, 20 parts of EPS 30R types polypropylene, 5 parts of toughener With 5 parts of MMPP-0004.Polyacrylic model EPS in the model DFDA 7042 of low density polyethylene (LDPE), outer layer in outer layer Toughener uses POE in the model LDPE 2426K of low density polyethylene (LDPE), outer layer and internal layer in 30R, internal layer.
The preparation technology of the hollow board material, is comprised the following steps that：
Step one, raw material is examined, qualified raw material is weighed, when the high-quality sheet material of customer requirement, people match somebody with somebody difference The raw material of ratio is well mixed respectively in main and auxiliaries, is dried under 60-80 degrees Celsius, is obtained main frame mixed material and subsidiary engine Mixture；
Step 2, main frame mixed material is put into an extruder and quality control method is taken, subsidiary engine is mixed Material is put into another extruder and takes quality control method, and the material extruded in two extruderses is put into mould And it is well mixed, is blown in a mold, air-breathing and water cooling are handled；
Step 3, then the material after vacuum of shaping is put into hauling machine and drawn, the material progress after traction is secondary Material after heating, reheating, which is put into air-cooler, carries out secondary sizing；
Step 4, the article after secondary sizing puts into hauling machine the product carried out after second traction, second traction again It is put into lath cutter, you can obtain finished product.
The present invention uses automatic mixing machine, merges different several property of raw material, using the double set extruders of single screw rod simultaneously And improvement setting process technology, increase secondary reshaping and secondary sizing after being drawn through first time, lift properties of product.This product people Main frame or main and auxiliaries can only be opened according to different requirements and open simultaneously, the sheet material of different quality can be produced, Meet the demand of different clients.The present invention adds special low density polyethylene (LDPE), appropriate pp material, toughener and the masterbatch matched somebody with somebody MMPP-0004, lifts the pull-off force and tear edge of product.Performance to product is measured, and measures longitudinal pull-off force of product It is promoted to by original 272N and is not less than 325N, the horizontal pull-off force of product is promoted to by original 163N is not less than 226N, is produced The tear edge of product is promoted to by original 60N is not less than 91N.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art It may be appreciated other embodiment.

Claims (5)

1. a kind of hollow board material, it is characterised in that including outer layer and internal layer, outer layer is made up of following raw material according to parts by weight：It is low 18-23 parts of density polyethylene, 65-73 parts of polypropylene, 4-6 parts of metallocene, 2.5-3.8 parts of toughener and MMPP-0004 1.5- 2.5 parts, internal layer is made up of following raw material according to parts by weight：8-12 parts of calcium carbonate, 16-25 parts of low density polyethylene (LDPE), T30S types gather 4-8 parts of 38-43 parts of propylene, 17-22 parts of EPS 30R type polypropylene, 4-7 parts of toughener and MMPP-0004.
2. hollow board material according to claim 1, it is characterised in that the model of low density polyethylene (LDPE) in the outer layer In DFDA 7042, outer layer in polyacrylic model EPS 30R, internal layer low density polyethylene (LDPE) model LDPE 2426K, outside Toughener uses POE in layer and internal layer.
3. the preparation technology of a kind of hollow board material as described in claim 1-2 is any, it is characterised in that comprise the following steps that：
Step one, raw material is examined, qualified raw material is weighed and is well mixed raw material in the machine, under 60-80 degrees Celsius Dry, obtain mixed material；
Step 2, mixed material is put into extruder and quality control method is taken, the material extruded in extruder is put Enter in mould and carry out sizing application of vacuum；
Step 3, then the material after vacuum of shaping is put into hauling machine and drawn, the material progress reheating after traction, Material after reheating, which is put into air-cooler, carries out secondary sizing；
Step 4, the article after secondary sizing is put into hauling machine again to carry out the product after second traction, second traction and is put into Lath cutter, you can obtain finished product.
4. the preparation technology of hollow board material according to claim 4, it is characterised in that the extruder is double using single screw rod Cover extruder.
5. the preparation technology of hollow board material according to claim 4, it is characterised in that the sizing application of vacuum includes blowing Gas, air-breathing and water cooling.
CN201710196438.5A 2017-03-29 2017-03-29 A kind of hollow board material and its preparation technology Pending CN106957482A (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108995940A (en) * 2018-07-24 2018-12-14 中山市金群瑞科技有限公司 A kind of packing box made of lightweight silico-calcium hollow plate
CN114369307A (en) * 2022-01-21 2022-04-19 山东凯大新型材料科技有限公司 Preparation method of hollow plate packaging material with surface layer having ink adsorption function

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103160030A (en) * 2011-12-16 2013-06-19 上海铂砾耐材料科技有限公司 Thermoplastic composite material for hollow building templates and manufacture method thereof and application thereof
CN104385546A (en) * 2014-11-04 2015-03-04 江苏远翔物联科技有限公司 PP and TPU composite double-layer hollow plastic plate coextrusion manufacture technology

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103160030A (en) * 2011-12-16 2013-06-19 上海铂砾耐材料科技有限公司 Thermoplastic composite material for hollow building templates and manufacture method thereof and application thereof
CN104385546A (en) * 2014-11-04 2015-03-04 江苏远翔物联科技有限公司 PP and TPU composite double-layer hollow plastic plate coextrusion manufacture technology

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108995940A (en) * 2018-07-24 2018-12-14 中山市金群瑞科技有限公司 A kind of packing box made of lightweight silico-calcium hollow plate
CN114369307A (en) * 2022-01-21 2022-04-19 山东凯大新型材料科技有限公司 Preparation method of hollow plate packaging material with surface layer having ink adsorption function
CN114369307B (en) * 2022-01-21 2023-09-26 山东凯大新型材料科技有限公司 Preparation method of hollow board packaging material with surface layer having ink adsorption function

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Application publication date: 20170718