CN110157071A - A kind of EPE pearl wool foam films - Google Patents

A kind of EPE pearl wool foam films Download PDF

Info

Publication number
CN110157071A
CN110157071A CN201910397582.4A CN201910397582A CN110157071A CN 110157071 A CN110157071 A CN 110157071A CN 201910397582 A CN201910397582 A CN 201910397582A CN 110157071 A CN110157071 A CN 110157071A
Authority
CN
China
Prior art keywords
mass parts
polyethylene glycol
pearl wool
foam films
epe pearl
Prior art date
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
CN201910397582.4A
Other languages
Chinese (zh)
Inventor
朱添助
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.)
Zhangjiagang Heshou Environmental Protection Technology Co Ltd
Original Assignee
Zhangjiagang Heshou Environmental Protection Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhangjiagang Heshou Environmental Protection Technology Co Ltd filed Critical Zhangjiagang Heshou Environmental Protection Technology Co Ltd
Priority to CN201910397582.4A priority Critical patent/CN110157071A/en
Publication of CN110157071A publication Critical patent/CN110157071A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18Manufacture of films or sheets
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/14Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
    • C08J9/141Hydrocarbons
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00Foams characterized by the expanding agent
    • C08J2203/14Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04Homopolymers or copolymers of ethene
    • C08J2323/06Polyethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/34Silicon-containing compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/04Oxygen-containing compounds
    • C08K5/10Esters; Ether-esters
    • C08K5/101Esters; Ether-esters of monocarboxylic acids
    • C08K5/103Esters; Ether-esters of monocarboxylic acids with polyalcohols
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/141Feedstock

Abstract

The present invention relates to a kind of EPE pearl wool foam films, are made by following raw material: 100 mass parts of low density polyethylene (LDPE), foaming agent 1-10 mass parts, antishrinking agent 0.1-8 mass parts, talcum powder 0.1-5 mass parts, microcapsules polyethylene glycol 5-15 mass parts, sodium bicarbonate 2-12 mass parts, carboxymethyl plant gum powder 5-20 mass parts.EPE pearl wool foam films provided by the invention are added to microcapsules polyethylene glycol, and polyethylene glycol has very strong wettability power, are added to and improve its whole wettability power in pearl cotton;Use microcapsules encapsulation that can reduce unnecessary loss, while also preventing the leakage of polyethylene glycol with effective protection polyethylene glycol.In addition the carboxymethyl plant gum powder added has network molecular structure, can wrap up hydrone well, has good hygroscopicity, imparts the better hygroscopicity of pearl cotton.

Description

A kind of EPE pearl wool foam films
Technical field
The present invention relates to EPE pearl wool fields, more particularly to one kind to have hygroscopic EPE pearl wool foam films.
Background technique
Pearl cotton by vinyon particle, by mixing, melting, foaming, extrusion, sizing and etc. made of pearl cotton Shape foamed material has non-crosslinked hole-closing structure, and with shockproof, sound insulation, heat preservation, plasticity is good, toughness is strong, chemical resistance Can be good, crashworthiness power is strong many advantages, such as;Simultaneously because there is pore structure, therefore pearl cotton also has certain hygroscopicity.But with Social progress, to the pearl cotton of the important component as packaging structure, more stringent requirements are proposed;Conventional pearl cotton Wettability power has been unable to satisfy requirement.
Summary of the invention
The present invention overcomes the deficiencies in the prior art, provide a kind of with good hygroscopic EPE pearl wool foam films.
In order to achieve the above objectives, the technical solution adopted by the present invention are as follows: a kind of EPE pearl wool foam films are provided, it is special Sign is: being made by following raw material: 100 mass parts of low density polyethylene (LDPE), foaming agent 1-10 mass parts, antishrinking agent 0.1-8 matter Measure part, talcum powder 0.1-5 mass parts, microcapsules polyethylene glycol 5-15 mass parts, sodium bicarbonate 2-12 mass parts, carboxymethyl plant Rubber powder 5-20 mass parts.
As a preferred embodiment, the composition of the raw material are as follows: 100 mass parts of low density polyethylene (LDPE), foaming agent 5-8 mass Part, antishrinking agent 0.5-5 mass parts, talcum powder 0.5-2.5 mass parts, microcapsules hygroscopic agent 6-10 mass parts, sodium bicarbonate 4-8 Mass parts, carboxymethyl plant gum powder 8-15 mass parts.
As a preferred embodiment, the foaming agent is butane.
As a preferred embodiment, the antishrinking agent is monoglyceride.
As a kind of more preferable scheme, the monoglyceride is the food-grade monoglyceride that content is greater than 98wt%.
As a preferred embodiment, the partial size of the talcum powder is more than 5000 mesh.
As a preferred embodiment, the polyethylene glycol is polyethylene glycol-800.
As a kind of more preferable scheme, the wall material of the microcapsules polyethylene glycol is ethyl cellulose.
As a preferred embodiment, carboxymethyl plant gum powder is carboxymethyl guar gum, Carboxymethyl Fenugreek Gum, carboxymethyl Luo Wang One kind of sub- glue.
The beneficial technical effect of the present invention lies in: it provides a kind of with good hygroscopic EPE pearl wool foam films.This The EPE pearl wool foam films that invention provides are added to microcapsules polyethylene glycol, and polyethylene glycol has very strong wettability power, addition Its whole wettability power is improved into pearl cotton;Use microcapsules encapsulation can need not with effective protection polyethylene glycol, reduction The loss wanted, while also preventing the leakage of polyethylene glycol.In addition the carboxymethyl plant gum powder added has network molecular structure, Hydrone can be wrapped up well, and there is good hygroscopicity, impart the better hygroscopicity of pearl cotton.
Specific embodiment
The invention will be further described combined with specific embodiments below.Following embodiment is only used for clearly illustrating Technical solution of the present invention, and not intended to limit the protection scope of the present invention.
Embodiment 1
The present invention provides a kind of EPE pearl wool foam films, are made by following raw material:
100 mass parts of low density polyethylene (LDPE);
8 mass parts of butane;
5 mass parts of monoglyceride;
2.5 mass parts of talcum powder;
10 mass parts of microcapsules polyethylene glycol;
4 mass parts of sodium bicarbonate;
8 mass parts of Carboxymethyl Fenugreek Gum;
Wherein monoglyceride is the food-grade monoglyceride that content is greater than 98wt%, and talcum powder is ultra-fine cunning of the partial size more than 5000 mesh Mountain flour, the core material of microcapsules polyethylene glycol is polyethylene glycol-800, wall material is ethyl cellulose.
After weighing above-mentioned raw materials, first by low density polyethylene (LDPE), talcum powder, microcapsules polyethylene glycol, sodium bicarbonate, Carboxymethyl Fenugreek Gum powder is uniformly mixed, and is put into extruder hopper;By the extruder melting mixing of big L/D ratio;It is squeezing simultaneously High pressure injection foamed gas (butane) and the monoglyceride melted in the middle part of machine out, uniformly mix with plastics through melting and mixing;It It is formed afterwards by head, die extrusion;By forming EPE pearl wool foam films finished product after cooling, traction, flattening, winding.
Embodiment 2
The present invention provides a kind of EPE pearl wool foam films, are made by following raw material:
100 mass parts of low density polyethylene (LDPE);
5 mass parts of butane;
0.5 mass parts of monoglyceride;
0.5 mass parts of talcum powder;
6 mass parts of microcapsules polyethylene glycol;
8 mass parts of sodium bicarbonate;
15 mass parts of carboxymethyl tamarind gum;
Wherein monoglyceride is the food-grade monoglyceride that content is greater than 98wt%, and talcum powder is ultra-fine cunning of the partial size more than 5000 mesh Mountain flour, the core material of microcapsules polyethylene glycol is polyethylene glycol-800, wall material is ethyl cellulose.
After weighing above-mentioned raw materials, first by low density polyethylene (LDPE), talcum powder, microcapsules polyethylene glycol, sodium bicarbonate, Carboxymethyl tamarind rubber powder is uniformly mixed, and is put into extruder hopper;By the extruder melting mixing of big L/D ratio;Exist simultaneously The monoglyceride of high pressure injection foamed gas (butane) and melting, uniformly mixes with plastics through melting and mixing in the middle part of extruder; It is formed later by head, die extrusion;By forming EPE pearl wool foam films finished product after cooling, traction, flattening, winding.
Embodiment 3
The present invention provides a kind of EPE pearl wool foam films, are made by following raw material:
100 mass parts of low density polyethylene (LDPE);
10 mass parts of butane;
8 mass parts of monoglyceride;
5 mass parts of talcum powder;
15 mass parts of microcapsules polyethylene glycol;
2 mass parts of sodium bicarbonate;
5 mass parts of carboxymethyl guar gum;
Wherein monoglyceride is the food-grade monoglyceride that content is greater than 98wt%, and talcum powder is ultra-fine cunning of the partial size more than 5000 mesh Mountain flour, the core material of microcapsules polyethylene glycol is polyethylene glycol-800, wall material is ethyl cellulose.
After weighing above-mentioned raw materials, first by low density polyethylene (LDPE), talcum powder, microcapsules polyethylene glycol, sodium bicarbonate, Carboxymethyl guar rubber powder is uniformly mixed, and is put into extruder hopper;By the extruder melting mixing of big L/D ratio;It is squeezing simultaneously High pressure injection foamed gas (butane) and the monoglyceride melted in the middle part of machine out, uniformly mix with plastics through melting and mixing;It It is formed afterwards by head, die extrusion;By forming EPE pearl wool foam films finished product after cooling, traction, flattening, winding.
Embodiment 4
The present invention provides a kind of EPE pearl wool foam films, are made by following raw material:
100 mass parts of low density polyethylene (LDPE);
1 mass parts of butane;
0.1 mass parts of monoglyceride;
0.1 mass parts of talcum powder;
5 mass parts of microcapsules polyethylene glycol;
12 mass parts of sodium bicarbonate;
20 mass parts of Carboxymethyl Fenugreek Gum;
Wherein monoglyceride is the food-grade monoglyceride that content is greater than 98wt%, and talcum powder is ultra-fine cunning of the partial size more than 5000 mesh Mountain flour, the core material of microcapsules polyethylene glycol is polyethylene glycol-800, wall material is ethyl cellulose.
After weighing above-mentioned raw materials, first by low density polyethylene (LDPE), talcum powder, microcapsules polyethylene glycol, sodium bicarbonate, Carboxymethyl Fenugreek Gum powder is uniformly mixed, and is put into extruder hopper;By the extruder melting mixing of big L/D ratio;It is squeezing simultaneously High pressure injection foamed gas (butane) and the monoglyceride melted in the middle part of machine out, uniformly mix with plastics through melting and mixing;It It is formed afterwards by head, die extrusion;By forming EPE pearl wool foam films finished product after cooling, traction, flattening, winding.
Embodiment 5
The present invention provides a kind of EPE pearl wool foam films, are made by following raw material:
100 mass parts of low density polyethylene (LDPE);
7 mass parts of butane;
2 mass parts of monoglyceride;
1.5 mass parts of talcum powder;
7 mass parts of microcapsules polyethylene glycol;
5 mass parts of sodium bicarbonate;
10 mass parts of carboxymethyl guar gum;
Wherein monoglyceride is the food-grade monoglyceride that content is greater than 98wt%, and talcum powder is ultra-fine cunning of the partial size more than 5000 mesh Mountain flour, the core material of microcapsules polyethylene glycol is polyethylene glycol-800, wall material is ethyl cellulose.
After weighing above-mentioned raw materials, first by low density polyethylene (LDPE), talcum powder, microcapsules polyethylene glycol, sodium bicarbonate, Carboxymethyl guar rubber powder is uniformly mixed, and is put into extruder hopper;By the extruder melting mixing of big L/D ratio;It is squeezing simultaneously High pressure injection foamed gas (butane) and the monoglyceride melted in the middle part of machine out, uniformly mix with plastics through melting and mixing;It It is formed afterwards by head, die extrusion;By forming EPE pearl wool foam films finished product after cooling, traction, flattening, winding.
Based on the above description of the preferred embodiments of the present invention, through the above description, related personnel completely can be with Without departing from the scope of the technological thought of the present invention', various changes and amendments are carried out.The technical scope of this invention It is not limited to the contents of the specification, it is necessary to determine the technical scope according to the scope of the claims.

Claims (9)

1. a kind of EPE pearl wool foam films, it is characterised in that: be made by following raw material: 100 mass parts of low density polyethylene (LDPE), hair Infusion 1-10 mass parts, antishrinking agent 0.1-8 mass parts, talcum powder 0.1-5 mass parts, microcapsules polyethylene glycol 5-15 mass Part, sodium bicarbonate 2-12 mass parts, carboxymethyl plant gum powder 5-20 mass parts.
2. EPE pearl wool foam films according to claim 1, it is characterised in that: the composition of the raw material are as follows: low-density is poly- 100 mass parts of ethylene, foaming agent 5-8 mass parts, antishrinking agent 0.5-5 mass parts, talcum powder 0.5-2.5 mass parts, microcapsules Hygroscopic agent 6-10 mass parts, sodium bicarbonate 4-8 mass parts, carboxymethyl plant gum powder 8-15 mass parts.
3. EPE pearl wool foam films according to claim 1 or 2, it is characterised in that: the foaming agent is butane.
4. EPE pearl wool foam films according to claim 1 or 2, it is characterised in that: the antishrinking agent is monoglyceride.
5. EPE pearl wool foam films according to claim 4, it is characterised in that: the monoglyceride is that content is greater than 98wt% Food-grade monoglyceride.
6. EPE pearl wool foam films according to claim 1 or 2, it is characterised in that: the partial size of the talcum powder is 5000 It is more than mesh.
7. EPE pearl wool foam films according to claim 1 or 2, it is characterised in that: the polyethylene glycol is polyethylene glycol 800。
8. EPE pearl wool foam films according to claim 7, it is characterised in that: the wall material of the microcapsules polyethylene glycol For ethyl cellulose.
9. EPE pearl wool foam films according to claim 1 or 2, it is characterised in that: carboxymethyl plant gum powder is carboxymethyl One kind of guar gum, Carboxymethyl Fenugreek Gum, carboxymethyl tamarind gum.
CN201910397582.4A 2019-05-14 2019-05-14 A kind of EPE pearl wool foam films Pending CN110157071A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910397582.4A CN110157071A (en) 2019-05-14 2019-05-14 A kind of EPE pearl wool foam films

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910397582.4A CN110157071A (en) 2019-05-14 2019-05-14 A kind of EPE pearl wool foam films

Publications (1)

Publication Number Publication Date
CN110157071A true CN110157071A (en) 2019-08-23

Family

ID=67634414

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910397582.4A Pending CN110157071A (en) 2019-05-14 2019-05-14 A kind of EPE pearl wool foam films

Country Status (1)

Country Link
CN (1) CN110157071A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112466520A (en) * 2020-11-11 2021-03-09 湖南华菱线缆股份有限公司 Floating cable
CN114456467A (en) * 2022-02-15 2022-05-10 广东泓硕新材料科技有限公司 Low-water-absorption rate pearl cotton and preparation method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101289546A (en) * 2007-04-20 2008-10-22 深圳市宝东盛塑胶包装制品有限公司 Pearl cotton plates with high compressive strength and high thickness and preparation thereof
CN102850620A (en) * 2012-08-30 2013-01-02 苏州九鼎珍珠棉有限公司 Environment-friendly single EPE sheet with high foaming capacity
CN104401467A (en) * 2014-11-25 2015-03-11 苏州九鼎珍珠棉有限公司 Life jacket based on pearl wool foam and preparation method of life jacket
CN108676232A (en) * 2018-05-25 2018-10-19 佛山市高明区爪和新材料科技有限公司 A kind of foamed heat insulating pearl cotton
CN109054765A (en) * 2018-08-22 2018-12-21 南京林业大学 A kind of polyethylene glycol/ethyl cellulose phase-change microcapsule and preparation method thereof
CN109233045A (en) * 2018-07-25 2019-01-18 厦门市地隆包装材料有限公司 A kind of EPE packaging material and preparation method thereof and protective case

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101289546A (en) * 2007-04-20 2008-10-22 深圳市宝东盛塑胶包装制品有限公司 Pearl cotton plates with high compressive strength and high thickness and preparation thereof
CN102850620A (en) * 2012-08-30 2013-01-02 苏州九鼎珍珠棉有限公司 Environment-friendly single EPE sheet with high foaming capacity
CN104401467A (en) * 2014-11-25 2015-03-11 苏州九鼎珍珠棉有限公司 Life jacket based on pearl wool foam and preparation method of life jacket
CN108676232A (en) * 2018-05-25 2018-10-19 佛山市高明区爪和新材料科技有限公司 A kind of foamed heat insulating pearl cotton
CN109233045A (en) * 2018-07-25 2019-01-18 厦门市地隆包装材料有限公司 A kind of EPE packaging material and preparation method thereof and protective case
CN109054765A (en) * 2018-08-22 2018-12-21 南京林业大学 A kind of polyethylene glycol/ethyl cellulose phase-change microcapsule and preparation method thereof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
吴全才等: "吸湿性聚丙烯纤维的研究", 《精细石油化工进展》 *
潘英俊: "《粤厨宝典丛书 粤厨宝典 砧板篇 升级版》", 31 March 2017, 广东科技出版社 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112466520A (en) * 2020-11-11 2021-03-09 湖南华菱线缆股份有限公司 Floating cable
CN112466520B (en) * 2020-11-11 2023-02-28 湖南华菱线缆股份有限公司 Floating cable
CN114456467A (en) * 2022-02-15 2022-05-10 广东泓硕新材料科技有限公司 Low-water-absorption rate pearl cotton and preparation method thereof

Similar Documents

Publication Publication Date Title
JP7241182B2 (en) Method and apparatus for producing polylactic acid foamed product directly from polylactic acid polymerization melt
CN106543559B (en) A kind of preparation method of expanded polypropylene beads
CN109181055A (en) Radiant crosslinked polyethylene foam and its preparation method and application
CN102286165A (en) Expandable polyethylene (EPE) pearl wool
CN110157071A (en) A kind of EPE pearl wool foam films
CN108623875A (en) A kind of High-strength air-permeable film composite material and preparation method
CN102702560B (en) Compound foaming manufacturing method for polypropylene foaming material
CN109593246A (en) A method of high-foaming EPE pearl wool is produced using carbon dioxide foaming agent
CN107266765A (en) A kind of inorganic foamed IXPE foams and preparation method thereof
CN107236167A (en) A kind of preparation method of high-performance polyethylene ventilated membrane
CN103435925A (en) Environmental-friendly packing material and preparation method thereof
CN104987526A (en) Polypropylene series resin composite foam particle, and preparation method and application thereof
TWI691534B (en) Thermoplastic resin foaming particle
CN103589070A (en) Physical-foaming polypropylene cable material and preparation method thereof
CN104725672A (en) Anti-oxidization environment-friendly packaging material for food and preparing method thereof
CN108003453A (en) One kind sizing expanded material, sizing foam process and purposes
CN103724887A (en) Antibacterial cooked food preservative film
CN105419093B (en) A kind of foamed material and preparation method thereof containing bimodal cell structure
CN109679307A (en) A kind of biodegradable pearl cotton and preparation method thereof
CN102329446B (en) Transparent starch-based degradable agricultural mulching film composite material
CN108705784A (en) A kind of manufacturing method of ventilating water proof woven bag
CN108859263A (en) A kind of manufacturing method of interior viscid film plastic woven bag
CN102834442A (en) Foamed resin sheet and process for production of foamed resin sheet
CN107686578A (en) With the working of plastics and its preparation method for drying moisture absorbing
CN108673982A (en) A kind of manufacturing method of Environment-friendlywoven woven bag

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20190823

RJ01 Rejection of invention patent application after publication