CN106047265B - A kind of foamed glue and its application that SAPO molecular sieve is modified - Google Patents
A kind of foamed glue and its application that SAPO molecular sieve is modified Download PDFInfo
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- CN106047265B CN106047265B CN201610499754.5A CN201610499754A CN106047265B CN 106047265 B CN106047265 B CN 106047265B CN 201610499754 A CN201610499754 A CN 201610499754A CN 106047265 B CN106047265 B CN 106047265B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
- C09J175/08—Polyurethanes from polyethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/22—Catalysts containing metal compounds
- C08G18/222—Catalysts containing metal compounds metal compounds not provided for in groups C08G18/225 - C08G18/26
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-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
- C08J9/14—Working-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
- C08J9/141—Hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2101/00—Manufacture of cellular products
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
- C08J2375/08—Polyurethanes from polyethers
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
Molecular sieve modified foamed glue of the present invention is made of following components based on parts by weight: 70-100 parts of polyester polyol, 10-30 parts of polyether polyol, 100-120 parts of polyisocyanates, 5-10 parts of foaming agent, catalyst monovalence zinc/1-15 parts of SAPO compound, 0.1-1.5 parts of water.Microporous foam is carried out when products of the present invention use, greatly reduces granular sensation and the thorn sense of existing foamed glue；Comfort and higher adhesive strength are had both, use scope is greatly extended.
Description
Technical field
The present invention relates to foamed glues, more particularly to a kind of molecular sieve modified foamed glue.It can be used for furniture, plate, building
Joint filling Nian Jie with ornament materials, packaging material and composite material and production and processing, are particularly useful for the temperature control rubber of packing case
Material.
Background technique
Currently, the point-of-sale terminals such as hypermarket, brand shop generally use carton and hair in dispensing in logistics field
It steeps glue and packs product, to realize the transport to product.
Existing bonding sizing material is mostly polyurethane foam glue, and adhesion strength requires to be greater than 0.5MPa, it is mainly poly-
Ester polyol or polyether polyol react the base polyurethane prepolymer for use as containing remaining-NCO group to be formed with polyisocyanates, usually also
Added with proper catalyst, stabilizer and 50% methylene chloride, flexible is preferable, and adhesive strength is higher, advantage easy to use,
But price is higher, and methylene chloride will cause irreversible damage to human health, there is potential carcinogenicity.
Existing polyvinyl alcohol or polyvinyl acetate aqueous binder are generally used for bonding paper and timber, water content
Larger, cost is relatively low, has good adhesive effect especially under hot pressing condition for Fiber Materials, but to unwetted property base
Material wetability is poor, and initial bonding strength is little, and slow curing, adhesion strength is small, poor water resistance.
There is a kind of " high-strength bi-component splicing adhesive " in the market, it includes host agent and curing agent, and host agent includes: vinyl acetate
Class lotion, polyvinyl alcohol, function monomer (end hydroxy polyether, amine terminated polyether, pentaerythrite, sorbierite, hydroxyethyl cellulose,
Water soluble chitosan and water-soluble polysaccharide), plasticizer, inorganic filler etc., be used for bonding wood, especially intensity under heat
It is higher, there is preferable water resistance, but ambient temperature curing relatively slow.Also there are other adhesives, it is such as anti-with alcohol by polyisocyanate
The isocyanate equivalent that should be formed is more than the isocyanate prepolymer and aqueous polymer emulsions composition of the hydroxyl equivalent of alcohol；Its at
This height, mixture viscosity is big, is unfavorable for operating.
For the various defects of product on existing market, the present inventor passes through painstaking efforts, invents a kind of molecular sieve and changes
The foamed glue of property avoids the use of noxious material such as methylene chloride by molecular sieve modified foamed glue product, while in molecular sieve
Metal ion can play catalyst action, while the problems such as improve the viscosity of foamed glue, adhesion strength.
Summary of the invention
The object of the present invention is to provide a kind of molecular sieve modified foamed glue, comfort is high, adhesive strength is higher；The present invention
The preparation method of molecular sieve modified foamed glue is provided simultaneously, it is scientific and reasonable, simple and easy.
Molecular sieve modified foamed glue of the present invention is made of: polyester polyol based on parts by weight following components
70-100 parts, 10-30 parts of polyether polyol, 100-120 parts of polyisocyanates, 5-10 parts of foaming agent, catalyst monovalence zinc/SAPO
1-15 parts of compound, 0.1-1.5 parts of water.
The degree of functionality of the polyester or polyether polyol is 2~4, and average relative molecular mass is between 1000-8000, hydroxyl
Value is 10~800mgKOH/g.
Polyester polyol is PDA-1000, PDA-2000, PEA-2000, PEA-3000, and Jun You Yantai Synthetic Leather Factory produces,
Polyether polyol is the mixture of DDL-2000D and DDL-3000D, the mass ratio of DDL-2000D and DDL-3000D
It is 1-5: 1.DDL-2000D is that Zibo moral believes federal Chemical Co., Ltd.'s production, molecular weight 2000, degree of functionality 2；DDL-
3000D is that Zibo moral believes federal Chemical Co., Ltd.'s production, molecular weight 3000, degree of functionality 2；Two kinds of polyether polyol are matched
It closes and uses obtained product hardness smaller, tensile strength is smaller.
The polyisocyanates is more methyl diphenylene diisocyanates.
The foaming agent is selected from the third butane (LPG), dimethyl ether (DME).
Present invention simultaneously provides a kind of preparation methods of molecular sieve modified foamed glue, comprising:
Step A prepares monovalence zinc/SAPO compound:
SAPO molecular sieve and metallic zinc source are placed in the horminess glass tube of an end closure, the glass tube other end connects vacuum
Frame, vacuum calcining processing after, with oxygen flame seal, by this sealing glass tube 500 DEG C -600 DEG C of heating 10-20 hours, give birth to
At monovalence zinc/molecular screen composite
The vacuum calcining processing refers to: 450 DEG C -550 DEG C is warming up to when vacuumizing, at this temperature heating in vacuum
2-72 hours.
Step B: making white material, first that polyether polyol, polyester polyol, foaming agent, catalyst monovalence zinc/SAPO is multiple
It is uniformly mixed to close object, water, then uses inhalator jar equipment, uniformly mixed material is poured into inhalator jar；
Step C: polyisocyanates is correctly circulated into the white material mixed according to formula rate, and valve in pressure is filled with
Foaming agent, after tank body shakes up.
Present invention simultaneously provides the application methods of molecular sieve modified foamed glue, comprising:
Foamed glue is uniformly applied to object surface to be bonded, at room temperature molding bonded.
Preferably, apply ultraviolet irradiation when molding bonded, promote adhesive speed.
Preferably, object to be bonded is packing case, including header field, side plate and bottom parts, the header field include
Upper cover, lower cover, left cover and right cover, the bottom parts include left bottom plate, right bottom plate, inner bottom plating and Outer Bottom Plating, are arranged on upper lid
There are tear strip and anti-theft wire, is provided with reinforcing rib on tear strip.
The bottom outer surface of the lower cover is provided with adhesive area, when packaging the inner surface of the upper cover be pasted on the gluing
Area.
The outer surface of the inner bottom plating is provided with adhesive area, when packaging the inner surface of the Outer Bottom Plating be pasted on the gluing
Area.
The tear strip opens up several short-terms through upper cover by two parallel lines in the middle part of upper cover spaced reciprocally
Cut hole bends cut hole or circular hole and constitutes.
The reinforcing rib is one or more cotton rope being set near tear strip inner central along tear strip extending direction
Or plastic strip.
The anti-theft wire is constituted for two groups of knife lines symmetrically opened up.
Left cover and right cover closing lid setting, when packaging, the lower cover was folded on the left cover and right cover, institute
It states upper cover to be folded on the lower cover, forms double-canopy structure.
Compared with prior art, the present invention having the following beneficial effects:
(1) microporous foam is carried out when products of the present invention use, greatly reduce existing foamed glue granular sensation and
Thorn sense；
(2) a kind of foamed glue provided by the invention has both comfort and higher adhesive strength, and greatly extension uses model
It encloses；
(3) foamed glue of the invention uses monovalence zinc/SAPO compound as catalyst, which at normal temperature can
Catalytic action, while can further improve its catalytic action by applying ultraviolet radioactive, promote adhesive speed.
(4) preparation method of the invention is simply easily implemented.
Detailed description of the invention
The deployed configuration schematic diagram of Fig. 1 packing case used in the present invention
The meaning of each appended drawing reference is as follows in figure:
10- side plate, 11- upper cover, 12- lower cover, 13- left cover, 14- right cover, 111- tear strip, 112- reinforcing rib, 113- are anti-
Steal line, the adhesive area 122-, 121- notch, 131- notch, 141- notch, 21- inner bottom plating, the adhesive area 211-, 22- Outer Bottom Plating,
221- anti-theft wire, 23- left bottom plate, the right bottom plate of 24-.
Specific embodiment
The present invention is described further with reference to embodiments.Raw material used in the present invention is commercially available,
It is not limited to raw material model used in embodiment.
Embodiment 1
Step A prepares monovalence zinc/SAPO compound:
Dry SAPO-11 molecular sieve and metallic zinc granule in mass ratio 10: 1 is placed in the horminess glass tube of an end closure
In, the glass tube other end connects vacuum shelf, and 450 DEG C are warming up to when vacuumizing, and at this temperature after heating in vacuum 2 hours, uses
The sealing of oxygen flame.The glass tube of this sealing is heated 20 hours at 500 DEG C, generates monovalence zinc/molecular screen composite.
Step B: making white material, first by polyether polyol DDL-3000D, polyester polyol PDA-2000, foaming agent third
Butane, catalyst monovalence zinc/SAPO compound, water are uniformly mixed, each parts by weight of raw materials are as follows: 70 parts of polyester polyol, polyethers is more
10 parts of first alcohol, 5 parts of foaming agent, catalyst monovalence zinc/1 part of SAPO compound, 0.1 part of water.Then inhalator jar equipment is used, will be mixed
Uniform material is closed to pour into inhalator jar；
Step C: 100 parts by weight of polyisocyanates are circulated into the white material mixed, and valve in pressure is filled with foaming agent,
After tank body shakes up.
Embodiment 2
Step A prepares monovalence zinc/SAPO compound:
Dry SAPO-11 molecular sieve and metallic zinc granule in mass ratio 20: 1 is placed in the horminess glass tube of an end closure
In, the glass tube other end connects vacuum shelf, and 500 DEG C are warming up to when vacuumizing, and at this temperature after heating in vacuum 20 hours, uses
The sealing of oxygen flame.The glass tube of this sealing is heated 10 hours at 550 DEG C, generates monovalence zinc/molecular screen composite.
Step B: making white material, first by polyether polyol DDL-2000D, polyester polyol PDA-1000, foaming agent third
Butane, catalyst monovalence zinc/SAPO compound, water are uniformly mixed, each parts by weight of raw materials are as follows: 80 parts of polyester polyol, polyethers is more
20 parts of first alcohol, 5 parts of foaming agent, catalyst monovalence zinc/1 part of SAPO compound, 1.1 parts of water.Then inhalator jar equipment is used, will be mixed
Uniform material is closed to pour into inhalator jar；
Step C: 110 parts by weight of polyisocyanates are circulated into the white material mixed, and valve in pressure is filled with foaming agent,
After tank body shakes up.
Embodiment 3
Step A prepares monovalence zinc/SAPO compound:
Dry SAPO-34 molecular sieve and metallic zinc granule in mass ratio 10: 1 is placed in the horminess glass tube of an end closure
In, the glass tube other end connects vacuum shelf, and 550 DEG C are warming up to when vacuumizing, and at this temperature after heating in vacuum 2 hours, uses
The sealing of oxygen flame.The glass tube of this sealing is heated 20 hours at 600 DEG C, generates monovalence zinc/molecular screen composite.
Step B: making white material, first by the mixture of polyether polyol DDL-2000D and DDL-3000D, DDL-2000D
Be 1: 1, polyester polyol PDA-2000 with the mass ratio of DDL-3000D, the third butane of foaming agent, catalyst monovalence zinc/SAPO it is multiple
Close object, water is uniformly mixed, each parts by weight of raw materials are as follows: 70 parts of polyester polyol, 10 parts of polyether polyol, 5 parts of foaming agent, catalyst
Monovalence zinc/1 part of SAPO compound, 0.1 part of water.Then inhalator jar equipment is used, uniformly mixed material is poured into inhalator jar；
Step C: 100 parts by weight of polyisocyanates are circulated into the white material mixed, and valve in pressure is filled with foaming agent,
After tank body shakes up.
Embodiment 4
Step A prepares monovalence zinc/SAPO compound:
Dry SAPO-34 molecular sieve and metallic zinc granule in mass ratio 40: 1 is placed in the horminess glass tube of an end closure
In, the glass tube other end connects vacuum shelf, and 550 DEG C are warming up to when vacuumizing, and at this temperature after heating in vacuum 2 hours, uses
The sealing of oxygen flame.The glass tube of this sealing is heated 20 hours at 600 DEG C, generates monovalence zinc/molecular screen composite.
Step B: making white material, first by the mixture of polyether polyol DDL-2000D and DDL-3000D, DDL-2000D
Be 5: 1, polyester polyol PDA-2000 with the mass ratio of DDL-3000D, foaming agent dimethyl ether, catalyst monovalence zinc/SAPO it is multiple
Close object, water is uniformly mixed, each parts by weight of raw materials are as follows: 70 parts of polyester polyol, 10 parts of polyether polyol, 5 parts of foaming agent, catalyst
Monovalence zinc/1 part of SAPO compound, 0.1 part of water.Then inhalator jar equipment is used, uniformly mixed material is poured into inhalator jar；
Step C: 100 parts by weight of polyisocyanates are circulated into the white material mixed, and valve in pressure is filled with foaming agent,
After tank body shakes up.
Embodiment 5
Step A prepares monovalence zinc/SAPO compound:
Dry SAPO-34 molecular sieve and metallic zinc granule in mass ratio 10: 1 is placed in the horminess glass tube of an end closure
In, the glass tube other end connects vacuum shelf, and 550 DEG C are warming up to when vacuumizing, and at this temperature after heating in vacuum 2 hours, uses
The sealing of oxygen flame.The glass tube of this sealing is heated 20 hours at 600 DEG C, generates monovalence zinc/molecular screen composite.
Step B: making white material, first by the mixture of polyether polyol DDL-2000D and DDL-3000D, DDL-2000D
Be 1: 1, polyester polyol PDA-2000 with the mass ratio of DDL-3000D, foaming agent dimethyl ether, catalyst monovalence zinc/SAPO it is multiple
Close object, water is uniformly mixed, each parts by weight of raw materials are as follows: 100 parts of polyester polyol, 30 parts of polyether polyol, 10 parts of foaming agent, catalysis
Agent monovalence zinc/10 parts of SAPO compound, 1.5 parts of water.Then inhalator jar equipment is used, uniformly mixed material is poured into inhalator jar
In；
Step C: 100 parts by weight of polyisocyanates are circulated into the white material mixed, and valve in pressure is filled with foaming agent,
After tank body shakes up.
Embodiment 6
Packing case includes header field, side plate and bottom parts, and the header field includes upper cover, lower cover, left cover and the right side
Lid, the bottom parts include left bottom plate, right bottom plate, inner bottom plating and Outer Bottom Plating, are provided with tear strip and anti-theft wire on upper lid, tear
Be provided with reinforcing rib on tie rod, the outer surface of the inner bottom plating is provided with adhesive area, when packaging the inner surface of the Outer Bottom Plating it is viscous
It is affixed on the adhesive area.
The foamed glue of embodiment 1-5 is uniformly applied to packing case surface adhesive area, at room temperature molding bonded.Product index
It is shown in Table 1.
Embodiment 7
Apply uv light irradiation, room temperature molding bonded when being different only in that bonding with embodiment 6, product index is shown in Table 2.
Table 1.
Table 2
Claims (8)
1. by applying the method that ultraviolet radioactive promotes adhesive speed to a kind of modified foamed glue of SAPO molecular sieve,
The modified foamed glue of the SAPO molecular sieve based on parts by weight, is made of following components: 70-100 parts of polyester polyol,
10-30 parts of polyether polyol, 100-120 parts of methyl diphenylene diisocyanate, 5-10 parts of foaming agent, catalyst monovalence zinc/
1-15 parts of SAPO compound, 0.1-1.5 parts of water；
The degree of functionality of the polyester or polyether polyol is 2~4, and between 1000-8000, hydroxyl value is average relative molecular mass
10~800mgKOH/g；
The foaming agent is selected from the third butane, dimethyl ether；
The preparation method of the modified foamed glue of the SAPO molecular sieve, comprising:
Step A prepares monovalence zinc/SAPO compound:
SAPO molecular sieve and metallic zinc source are placed in the horminess glass tube of an end closure, the glass tube other end connects vacuum shelf,
Vacuum calcining processing after, with oxygen flame seal, by this sealing glass tube 500 DEG C -600 DEG C of heating 10-20 hours, generation one
Valence zinc/molecular screen composite；
The vacuum calcining processing refers to: 450 DEG C -550 DEG C is warming up to when vacuumizing, at this temperature heating in vacuum 2-72
Hour；
Step B: making white material, first that polyether polyol, polyester polyol, foaming agent, catalyst monovalence zinc/SAPO is compound
Object, water are uniformly mixed, and then use inhalator jar equipment, and uniformly mixed material is poured into inhalator jar；
Step C: methyl diphenylene diisocyanate is correctly circulated into the white material mixed according to formula rate, presses upper valve
Door, is filled with foaming agent, after tank body shakes up；
The method for promoting adhesive speed, comprising:
The foamed glue being prepared uniformly is applied to object surface to be bonded, at room temperature molding bonded, while using ultraviolet irradiation.
2. the method according to claim 1, wherein object to be bonded be packing case, including header field, side plate and
Bottom parts, the header field include upper cover, lower cover, left cover and right cover, the bottom parts include left bottom plate, right bottom plate,
Inner bottom plating and Outer Bottom Plating are provided with tear strip and anti-theft wire on upper lid, are provided with reinforcing rib on tear strip.
3. according to the method described in claim 2, it is characterized in that, the bottom outer surface of the lower cover is provided with adhesive area, packet
The inner surface of the upper cover is pasted on the adhesive area when dress.
4. according to the method described in claim 3, it is characterized in that, the outer surface of the inner bottom plating is provided with adhesive area, packaging
The inner surface of Shi Suoshu Outer Bottom Plating is pasted on the adhesive area.
5. according to the method described in claim 4, it is characterized in that, the tear strip passes through two parallel lines in the middle part of upper cover
Several short-term cut holes through upper cover, bending cut hole or circular hole are opened up spaced reciprocally and are constituted.
6. according to the method described in claim 5, it is characterized in that, the reinforcing rib is to be set to tear along tear strip extending direction
One or more cotton rope or plastic strip near tie rod inner central.
7. according to the method described in claim 6, it is characterized in that, the anti-theft wire is two groups of knife lines symmetrically opened up and structure
At.
8. the method according to the description of claim 7 is characterized in that the left cover and right cover closing lid is arranged, under when packaging is described
Lid is folded on the left cover and right cover, and the upper cover is folded on the lower cover, forms double-canopy structure.
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| CN201610499754.5A CN106047265B (en) | 2016-06-29 | 2016-06-29 | A kind of foamed glue and its application that SAPO molecular sieve is modified |
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| CN102634317A (en) * | 2012-04-28 | 2012-08-15 | 南京理工大学常熟研究院有限公司 | Preparation method of polyurethane/molecular sieve composite adhesive |
| CN104837883A (en) * | 2012-12-05 | 2015-08-12 | 3M创新有限公司 | Polyurethane-based adhesives |
| CN103754456A (en) * | 2014-01-23 | 2014-04-30 | 广州鸿力复合材料有限公司 | Honeycomb core composite board packing case |
| CN104987850A (en) * | 2015-07-15 | 2015-10-21 | 锋泾（中国）建材集团有限公司 | Green environment-friendly universal polyurethane foam sealing agent and preparing method of universal polyurethane foam sealing agent |
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Effective date of registration: 20190321 Address after: Room 2038, Building 11, Xinghuo Road, Science City, Fengtai District, Beijing 100070 Patentee after: BEIJING YISIDE LOGISTICS TECHNOLOGY CO., LTD. Address before: 100070 room 2018, block A, office building, 11 Xing Huo Road, Science City, Beijing, Fengtai District. Patentee before: Chang Jiang |