CN108300403A - The high-strength shockproof combined corrugated board of one kind and its preparation process - Google Patents

The high-strength shockproof combined corrugated board of one kind and its preparation process Download PDF

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Publication number
CN108300403A
CN108300403A CN201810089150.2A CN201810089150A CN108300403A CN 108300403 A CN108300403 A CN 108300403A CN 201810089150 A CN201810089150 A CN 201810089150A CN 108300403 A CN108300403 A CN 108300403A
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strength
corrugated board
mixing temperature
mixing
stirring
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Inventor
陈良地
安祖国
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Fujian Hexin Packing Co ltd
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Individual
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J175/00Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
    • C09J175/04Polyurethanes
    • C09J175/06Polyurethanes from polyesters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00Layered products comprising a layer of paper or cardboard
    • B32B29/002Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B29/005Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to another layer of paper or cardboard layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00Layered products comprising a layer of paper or cardboard
    • B32B29/08Corrugated paper or cardboard
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04Interconnection of layers
    • B32B7/12Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/4009Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
    • C08G18/4063Mixtures of compounds of group C08G18/62 with other macromolecular compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/42Polycondensates having carboxylic or carbonic ester groups in the main chain
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/62Polymers of compounds having carbon-to-carbon double bonds
    • C08G18/6212Polymers of alkenylalcohols; Acetals thereof; Oxyalkylation products thereof
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30Multi-ply
    • D21H27/40Multi-ply at least one of the sheets being non-planar, e.g. crêped
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/50Properties of the layers or laminate having particular mechanical properties
    • B32B2307/558Impact strength, toughness
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/50Properties of the layers or laminate having particular mechanical properties
    • B32B2307/56Damping, energy absorption
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2553/00Packaging equipment or accessories not otherwise provided for
    • B32B2553/02Shock absorbing

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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)
  • Laminated Bodies (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

The present invention provides a kind of high-strength shockproof combined corrugated boards and preparation method thereof, in the preparation first one to No. five material is respectively prepared in each component by it, then No. five material are toasted and obtains high-strength adhesive glue, the proportional quantity of stringent control each component is more needed when preparation, and the machined parameters of each technique, it is especially particularly important to the control of mixing temperature, ensure that each component can be sufficiently mixed reaction with this, have the function that " synergy ", increase substantially the performance of special high-strength adhesive glue, ensure that the corrugated board after bonding has excellent pop strength and shock resistance with this, test proves that, pop strength through corrugated board produced by the present invention compares the pop strength of common corrugated board, it is promoted apparent, technical process environmental protection, low consumption;In addition, since corrugated board produced by the present invention has excellent pop strength, so also having good shock resistance simultaneously, there is higher cushion performance than general corrugated paper, can be used in the packaging of part breakables, have a wide range of application, market prospects are big.

Description

The high-strength shockproof combined corrugated board of one kind and its preparation process
Technical field
The present invention relates to corrugated board fields, more particularly to a kind of high-strength shockproof combined corrugated board and its preparation process.
Background technology
People reduce the consumption of timber for environmental protection, as well as reasons such as export quarantine, present product packet Dress has not used wooden packing material, and uses paper product product instead.But existing general papery packaging product strength is not high, damage-resistant Difference is not easy to stack, and utilization rate of warehouse is low, and the Costco Wholesale of paper packaging box is high, and transportation cost is high.In order to solve above-mentioned ask Topic, existing paper technology obviously cannot meet present market demands, it is therefore necessary to existing paper technology improved, To adapt to the requirement of modern market.
Corrugated board buffer pad has been developed in recent years a kind of novel " green package " buffering product, it is by corrugation Cardboard is made by the methods of fluting, impression, folding, inserting, bonding.This paper inner liner can not only obstruct in a reservoir Product, and when product is by foreign impacts, energy can be absorbed, when extending built-in product and absorbing impact the effect of pulse Between, there is good cushion performance, therefore the cry of existing polyfoam spacer is replaced to grow to even greater heights.But simultaneously as existing The structure of corrugated core is single, still owes ideal in wear-resisting and context buffer comprehensive performance, it is difficult to ensure transporting safely for product.
Invention content
In order to overcome the above problem, the present invention provides a kind of high-strength shockproof combined corrugated board and its preparation processes.
To achieve the above object, technical solution provided by the invention is:
A kind of high-strength shockproof combined corrugated board is provided with two layers or two layers or more of corrugated paper, leads between adjacent corrugated paper Cross special high-strength bonding glue bond;The special high-strength adhesive glue includes following components in percentage terms:Poly-vinyl alcohol solution 22-36%, polyester polyol 7-18%, vinyl acetate resin 17-24%, deionized water 7-10%, butyl titanate 7-9%, emulsifier 0.5-2%, antioxidant 1-5%, diisocyanate 2-8%, surplus are water.
Specifically, the diisocyanate is one kind in methyl diphenylene diisocyanate, toluene di-isocyanate(TDI) Or combinations thereof.
Preferably, the special high-strength adhesive glue includes following components in percentage terms:Poly-vinyl alcohol solution 31% gathers Ester polyol 12%, vinyl acetate resin 18%, deionized water 9%, butyl titanate 8%, emulsifier 1.5%, antioxidant 4%, two are different Cyanate 3%, surplus are water.
A kind of preparation process of high-strength shockproof combined corrugated board, includes the following steps:
1)By poly-vinyl alcohol solution, vinyl acetate resin, antioxidant and 20% water be added in No.1 mixing drum be stirred it is anti- It answers, mixing temperature is 60-90 DEG C, after stirring 10min, 120 DEG C is warming up to the heating rate of 10 DEG C/min, after stirring 10min It is cooled to 40-50 DEG C, forms No.1 material, lasting stirring is for use;
2)By No.1 material, polyester polyol, butyl titanate, emulsifier and 20% water be added in No. two mixing drums stir it is mixed Reaction is closed, mixing temperature is 80-110 DEG C, after stirring 10min, is warming up to 130 DEG C with the heating rate of 6 DEG C/min, stirring 15min postcoolings form No. two material to 40-50 DEG C, and lasting stirring is for use;
3)Deionized water, No. two material and 10% water are added in No. three mixing drums and are stirred reaction, mixing temperature 65- 88 DEG C, after stirring 12min, No. three material are formed, lasting stirring is for use;
4)Diisocyanate, No. three material and remaining water are added in No. four mixing drums and are stirred reaction, mixing temperature is 45-68 DEG C, after stirring 34min, No. four material are formed, lasting stirring is for use;
5)No. four material are added in No. four mixing drums and carry out cooling hybrid reaction, mixing temperature is 100-125 DEG C, mixing speed For 600-800r/min, incorporation time 17-36min, No. five material are formed;
6)No. five material are placed in baking slot and are toasted, until its moisture 4%, obtains special high-strength adhesive glue;
7)By step 6)Obtained special high-strength adhesive glue is coated on the contact surface of adjacent two layers corrugated paper, makes adjacent corrugation Paper is bonded, and is dried in the environment of 60-80 DEG C, and high-strength shockproof combined corrugated board is formed.
Preferably, in step 1)In, the mixing temperature is 78 DEG C.
Preferably, in step 2)In, the mixing temperature is 94 DEG C.
Preferably, in step 3)In, the mixing temperature is 82 DEG C.
Preferably, in step 4)In, the mixing temperature is 55 DEG C.
Preferably, in step 4)In, the mixing temperature is 110 DEG C, incorporation time 30min.
Above-mentioned technical proposal is beneficial in that:
The present invention provides a kind of high-strength shockproof combined corrugated boards and preparation method thereof, need stringent control each group in the preparation The machined parameters of the proportional quantity and each technique that divide, such as mixing temperature and mixing speed, especially to the control of mixing temperature It is particularly important, ensure that each component can be sufficiently mixed reaction with this, has the function that " synergy ", increase substantially special height The performance of strong bonding glue ensures that the corrugated board after bonding has excellent pop strength and shock resistance with this;Through overtesting It proves, the pop strength through corrugated board produced by the present invention compares the pop strength of common corrugated board, promotes apparent, technique Process environmental protection, low consumption;In addition, since corrugated board produced by the present invention has excellent pop strength, so also having simultaneously There is good shock resistance, there is higher cushion performance than general corrugated paper, can be used in the packaging of part breakables, answer Wide with range, market prospects are big.
Technical scheme of the present invention is clearly and completely described below in conjunction with specific implementation mode, it is clear that retouched The embodiment stated is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field The every other embodiment that those of ordinary skill is obtained without making creative work, belongs to protection of the present invention Range.
Specific implementation mode
Embodiment 1
A kind of high-strength shockproof combined corrugated board is provided with two layers or two layers or more of corrugated paper, leads between adjacent corrugated paper Cross special high-strength bonding glue bond;The special high-strength adhesive glue includes following components in percentage terms:Poly-vinyl alcohol solution 31%, polyester polyol 12%, vinyl acetate resin 18%, deionized water 9%, butyl titanate 8%, emulsifier 1.5%, antioxidant 4%, diisocyanate 3%, surplus are water.
Specifically, the diisocyanate is one kind in methyl diphenylene diisocyanate, toluene di-isocyanate(TDI) Or combinations thereof.
A kind of preparation process of high-strength shockproof combined corrugated board, includes the following steps:
1)By poly-vinyl alcohol solution, vinyl acetate resin, antioxidant and 20% water be added in No.1 mixing drum be stirred it is anti- It answers, mixing temperature is 780 DEG C, and after stirring 10min, 120 DEG C are warming up to the heating rate of 10 DEG C/min, is stirred cold after 10min But to 40-50 DEG C, No.1 material is formed, lasting stirring is for use;
2)By No.1 material, polyester polyol, butyl titanate, emulsifier and 20% water be added in No. two mixing drums stir it is mixed Reaction is closed, mixing temperature is 94 DEG C, after stirring 10min, 130 DEG C is warming up to the heating rate of 6 DEG C/min, after stirring 15min It is cooled to 40-50 DEG C, forms No. two material, lasting stirring is for use;
3)Deionized water, No. two material and 10% water are added in No. three mixing drums and are stirred reaction, mixing temperature 82 DEG C, after stirring 12min, No. three material are formed, lasting stirring is for use;
4)Diisocyanate, No. three material and remaining water are added in No. four mixing drums and are stirred reaction, mixing temperature is 55 DEG C, after stirring 34min, No. four material are formed, lasting stirring is for use;
5)No. four material are added in No. four mixing drums and carry out cooling hybrid reaction, mixing temperature is 110 DEG C, and mixing speed is 600-800r/min, incorporation time 30min form No. five material;
6)No. five material are placed in baking slot and are toasted, until its moisture 4%, obtains special high-strength adhesive glue;
7)By step 6)Obtained special high-strength adhesive glue is coated on the contact surface of adjacent two layers corrugated paper, makes adjacent corrugation Paper is bonded, and is dried in the environment of 60-80 DEG C, and high-strength shockproof combined corrugated board is formed.
Embodiment 2
A kind of high-strength shockproof combined corrugated board and its preparation process, which part step can also adopt as described in Example 1 With following technique:
The special high-strength adhesive glue includes following components in percentage terms:Poly-vinyl alcohol solution 25%, polyester polyol 16%, Vinyl acetate resin 22%, deionized water 8%, butyl titanate 9%, emulsifier 1.2%, antioxidant 3%, diisocyanate 5%, surplus For water.
In step 1)In, the mixing temperature is 85 DEG C.
In step 2)In, the mixing temperature is 88 DEG C.
In step 3)In, the mixing temperature is 86 DEG C.
In step 4)In, the mixing temperature is 52 DEG C.
In step 4)In, the mixing temperature is 120 DEG C, incorporation time 22min.
Embodiment 3
A kind of high-strength shockproof combined corrugated board and its preparation process, which part step can also adopt as described in Example 1 With following technique:
The special high-strength adhesive glue includes following components in percentage terms:Poly-vinyl alcohol solution 36%, polyester polyol 7%, Vinyl acetate resin 24%, deionized water 7%, butyl titanate 9%, emulsifier 0.5%, antioxidant 5%, diisocyanate 2%, surplus For water.
In step 1)In, the mixing temperature is 60 DEG C.
In step 2)In, the mixing temperature is 110 DEG C.
In step 3)In, the mixing temperature is 65 DEG C.
In step 4)In, the mixing temperature is 68 DEG C.
In step 4)In, the mixing temperature is 100 DEG C, incorporation time 36min.
Embodiment 4
A kind of high-strength shockproof combined corrugated board and its preparation process, which part step can also adopt as described in Example 1 With following technique:
The special high-strength adhesive glue includes following components in percentage terms:Poly-vinyl alcohol solution 22%, polyester polyol 18%, Vinyl acetate resin 17%, deionized water 10%, butyl titanate 7%, emulsifier 2%, antioxidant 1%, diisocyanate 8%, surplus For water.
In step 1)In, the mixing temperature is 90 DEG C.
In step 2)In, the mixing temperature is 80 DEG C.
In step 3)In, the mixing temperature is 88 DEG C.
In step 4)In, the mixing temperature is 45 DEG C.
In step 4)In, the mixing temperature is 125 DEG C, incorporation time 17min.
By the above various embodiments, high-strength shockproof combined corrugated board can be made, it should be noted that skill of the invention Art, which is characterized by, to be used special high-strength adhesive glue and bonds corrugated paper, due to being with poly- in special high-strength adhesive glue The components such as glycohol solution, polyester polyol, vinyl acetate resin as major ingredient, and be added to deionized water, butyl titanate, The auxiliary materials such as diisocyanate.
One to No. five material first is respectively prepared in each component in the preparation, then No. five material are toasted and obtain high-strength glue Close glue;The proportional quantity of stringent control each component and the machined parameters of each technique when preparation, such as mixing temperature and mixing speed Deng, it is especially particularly important to the control of mixing temperature, ensure that each component can be sufficiently mixed reaction with this, reaches " collaboration increasing The effect of effect ", increases substantially the performance of special high-strength adhesive glue, and it is excellent resistance to ensure that the corrugated board after bonding has with this Broken intensity and shock resistance, it is specific as follows to state shown in test result.
Test proves that through the corrugated board obtained by four embodiments of the invention, excellent pop strength is all had, Wherein S-1.1 classes product pop strength is up to 1200/kPa, and S-1.2 class product pop strengths are up to 1700/kPa, D-1.2 class product pop strengths are up to 1800/kPa, and D-1.4 class product pop strengths are up to 2600/kPa, compare The pop strength of common corrugated board promotes apparent, technical process environmental protection, low consumption;In addition, due to corrugation produced by the present invention Cardboard has excellent pop strength, so also having good shock resistance simultaneously, has than general corrugated paper higher slow Punching performance can be used in the packaging of part breakables, have a wide range of application, and market prospects are big.
Performance test:
Experiment one:It is measured for the pop strength of corrugated board.
Test sample:With corrugated board produced by the present invention and existing corrugated board.
Test method:The present invention executes standard GB/T 6544-2008, test method and the methods of sampling in execution standard.
Standard requires as shown in table 1:
Table 1
Test result:Test result is as shown in table 2.
Table 2
Note:It is respectively through the corrugated board obtained by aforementioned four embodiment of the present invention to repeat 1-4, and it is existing corrugated paper to repeat 5 Plate.
Conclusion (of pressure testing):
It can be seen from Table 2 that by the technical solution recorded in aforementioned four embodiment of the present invention, i.e., special high-strength adhesive glue Formula using poly-vinyl alcohol solution 22-36%, polyester polyol 7-18%, vinyl acetate resin 17-24%, deionized water 7- 10%, butyl titanate 7-9%, emulsifier 0.5-2%, antioxidant 1-5%, diisocyanate 2-8%, surplus are water;In preparation process In, in step 1)In, the mixing temperature is 60-90 DEG C, in step 2)In, the mixing temperature be 80-110 DEG C, Step 3)In, the mixing temperature is 65-88 DEG C, in step 4)In, the mixing temperature is 45-68 DEG C, in step 4) In, the mixing temperature is 100-125 DEG C, incorporation time 17-36min;Watt after obtained high-strength bonding glue bond The pop strength of corrugated paper board is above the pop strength of existing corrugated board, wherein most with the technique effect of the scheme of embodiment 1 It is good.

Claims (9)

1. a kind of high-strength shockproof combined corrugated board, it is characterised in that:It is provided with two layers or two layers or more of corrugated paper, adjacent Pass through special high-strength bonding glue bond between corrugated paper;The special high-strength adhesive glue includes following components in percentage terms: Poly-vinyl alcohol solution 22-36%, polyester polyol 7-18%, vinyl acetate resin 17-24%, deionized water 7-10%, four fourth of metatitanic acid Ester 7-9%, emulsifier 0.5-2%, antioxidant 1-5%, diisocyanate 2-8%, surplus are water.
2. high-strength shockproof combined corrugated board as described in claim 1 a kind of, which is characterized in that the diisocyanate is One kind or combinations thereof in methyl diphenylene diisocyanate, toluene di-isocyanate(TDI).
3. a kind of high-strength shockproof combined corrugated board as described in claim 1, which is characterized in that the special high strong bonding Glue includes following components in percentage terms:Poly-vinyl alcohol solution 31%, polyester polyol 12%, vinyl acetate resin 18%, deionization Water 9%, butyl titanate 8%, emulsifier 1.5%, antioxidant 4%, diisocyanate 3%, surplus are water.
4. a kind of preparation process of high-strength shockproof combined corrugated board as described in claim 1, which is characterized in that including following Step:
1)By poly-vinyl alcohol solution, vinyl acetate resin, antioxidant and 20% water be added in No.1 mixing drum be stirred it is anti- It answers, mixing temperature is 60-90 DEG C, after stirring 10min, 120 DEG C is warming up to the heating rate of 10 DEG C/min, after stirring 10min It is cooled to 40-50 DEG C, forms No.1 material, lasting stirring is for use;
2)By No.1 material, polyester polyol, butyl titanate, emulsifier and 20% water be added in No. two mixing drums stir it is mixed Reaction is closed, mixing temperature is 80-110 DEG C, after stirring 10min, is warming up to 130 DEG C with the heating rate of 6 DEG C/min, stirring 15min postcoolings form No. two material to 40-50 DEG C, and lasting stirring is for use;
3)Deionized water, No. two material and 10% water are added in No. three mixing drums and are stirred reaction, mixing temperature 65- 88 DEG C, after stirring 12min, No. three material are formed, lasting stirring is for use;
4)Diisocyanate, No. three material and remaining water are added in No. four mixing drums and are stirred reaction, mixing temperature is 45-68 DEG C, after stirring 34min, No. four material are formed, lasting stirring is for use;
5)No. four material are added in No. four mixing drums and carry out cooling hybrid reaction, mixing temperature is 100-125 DEG C, mixing speed For 600-800r/min, incorporation time 17-36min, No. five material are formed;
6)No. five material are placed in baking slot and are toasted, until its moisture 4%, obtains special high-strength adhesive glue;
7)By step 6)Obtained special high-strength adhesive glue is coated on the contact surface of adjacent two layers corrugated paper, makes adjacent corrugation Paper is bonded, and is dried in the environment of 60-80 DEG C, and high-strength shockproof combined corrugated board is formed.
5. a kind of preparation process of high-strength shockproof combined corrugated board as claimed in claim 4, which is characterized in that in step 1) In, the mixing temperature is 78 DEG C.
6. a kind of preparation process of high-strength shockproof combined corrugated board as claimed in claim 4, which is characterized in that in step 2) In, the mixing temperature is 94 DEG C.
7. a kind of preparation process of high-strength shockproof combined corrugated board as claimed in claim 4, which is characterized in that in step 3) In, the mixing temperature is 82 DEG C.
8. a kind of preparation process of high-strength shockproof combined corrugated board as claimed in claim 4, which is characterized in that in step 4) In, the mixing temperature is 55 DEG C.
9. a kind of preparation process of high-strength shockproof combined corrugated board as claimed in claim 4, which is characterized in that in step 4) In, the mixing temperature is 110 DEG C, incorporation time 30min.
CN201810089150.2A 2018-01-30 2018-01-30 The high-strength shockproof combined corrugated board of one kind and its preparation process Pending CN108300403A (en)

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CN103753917A (en) * 2014-01-16 2014-04-30 达成包装制品(苏州)有限公司 High-strength four-layer combined corrugated board
CN104927744A (en) * 2015-06-24 2015-09-23 陕西大工纸包装有限公司 Adhesive for water-tolerant corrugated boards and preparing method thereof
CN104927743A (en) * 2014-03-05 2015-09-23 重庆利尔达科技开发有限公司 Water-based composite environmentally-friendly foaming adhesive made from vinyl polymer and polyurethane, and preparation method of water-based composite environmentally-friendly foaming adhesive

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* Cited by examiner, † Cited by third party
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