High temperature resistant wood skin tape base paper and preparation method thereof
Technical field
The invention belongs to pulp technology for making paper, and in particular to a kind of high temperature resistant wood skin tape base paper and its preparation side
Method.
Background technology
With the development and the raising of living standards of the people of social economy, people are to furniture, the shelves of interior decoration
It is secondary to require more and more higher.In numerous ornament materials, people's " natural " product this to timber has solely
Special favor, therefore in the market receives praises from customers with the wood-based plate of veneer (wood skin) veneer.But, by
In the fragility of wooden sheet in itself, curved transitions are easily broken off, especially for the household surface with big curvature,
It is more difficult to attach the wood chip of decoration.The problem of to solve to be easily broken off, wood skin sticker is just made on wood skin adhesive tape
Into wood skin decoration veneer.Wood skin adhesive tape be mainly used in the industries such as furniture, timber carry out wood skin parquets, splicing,
Connection etc..
Wood skin adhesive tape in the market, which is often used, all to have preferable intersolubility with wood skin and adhesive
Non-woven cloth is base fabric, and non-woven cloth has certain intensity and extensibility in itself, vertical transverse strength is close,
Elongation percentage is close, percent thermal shrinkage is approached, and the requirement of the anti-jackknifing of wood skin is met to a certain extent.In the market
Also useful brown paper produces wood skin adhesive tape as base paper.However, wood skin adhesive tape enterprise needs in process of production
Adhesive dry solidification, conventional kraft paper and non-woven cloth can not be met into this need by 230 DEG C of high temperature drying tunnels
Will.
The content of the invention
First purpose of the present invention is to overcome deficiency of the prior art to have very high dry and wet strong there is provided a kind of
Degree, resistance to elevated temperatures, the high temperature resistant wood skin tape base paper of anticol permeance property.
In order to solve the above technical problems, the technical scheme is that:
High temperature resistant wood skin tape base paper, its primary raw material is softwood pulp, and it also includes polyester fiber, applied
The content of jelly, wherein polyester fiber is the 20%-30% of wood skin tape base paper oven-dry weight, and sizing agent contains
Measure as the 8-12% of wood skin tape base paper oven-dry weight, remaining is softwood pulp.
Preferably, the above-mentioned sizing agent aqueous solution is by polyvinyl alcohol, and refractory agent, water repellent agent composition is applied
The percentage by weight of each component is polyvinyl alcohol 8%-12%, refractory agent 0.5%-1%, water resistant in the jelly aqueous solution
Agent 2%-5%.
Preferably, the percentage by weight of each component is preferably polyvinyl alcohol in the above-mentioned sizing agent aqueous solution
9%-10%, refractory agent 0.6%-0.8%, water repellent agent 3%-4%, age resister 0.1%-0.15%.
Preferably, the content of above-mentioned polyester fiber is preferably wood skin tape base paper oven-dry weight
22%-28%, the content of sizing agent is preferably the 9-11% of wood skin tape base paper oven-dry weight, and remaining is needlebush
Slurry.
Preferably, the content of above-mentioned polyester fiber is more preferably wood skin tape base paper oven-dry weight
24%-26%, the content of sizing agent is more preferably the 9-10% of wood skin tape base paper oven-dry weight, its
Remaining is softwood pulp.
Preferably, the fineness of above-mentioned polyester fiber is 1.5-10D.
Preferably, the length of polyester fiber is 6-18mm.The length of further preferred polyester fiber is
8-16mm。
Preferably, the refractory agent that the present invention is selected is polyamide polyureas.
Preferably, the water repellent agent that the present invention is selected is aqueous polyurethane.
Second object of the present invention, which is to provide, a kind of there is very high dry and wet intensity, resistance to elevated temperatures, anticol to ooze
The preparation method of the high temperature resistant wood skin tape base paper of permeability energy.
In order to solve the above technical problems, the technical scheme is that:
The preparation method of high temperature resistant wood skin tape base paper, it is characterised in that it comprises the following steps:
(1) it is beaten:Softwood pulp size degradation in hydrabrusher, slurry concentration is 5-6%, by beater
It is 90-110 amperes to be beaten control electric current, slurry beating degree is reached 25-34 ° of SR, weight in wet base 6-10g.
(2) it is with slurry:Polyester fiber is added in slurry made from step (1) to be well mixed.
(3) punching slurry:Slurry made from step (2) is diluted with water to 1%, wet strength agent, slurry per ton is added
Wet strength agent 60kg is added in material, is stirred 30-35 minutes.
(4) copy paper:Add to add in dispersant, slurry per ton in slurry made from step (3) and disperse
Agent 3-4kg, be well mixed after on cylinder paper machine copy paper.
(5) squeezing drying:L Water Paper page made from step (4) is entered into drying cylinder after squeezing to dry, drying cylinder
Operating pressure be 2-3kg/cm2。
(6) it is glued:Sizing agent is added in engine sizing machine, the paper that step (5) is dried in machine in applying
It is glued in glue machine, the pressure of adjustment speed and application roll, it is high temperature resistant wood skin tape base paper to make sizing agent concentration
The 8-12% of oven-dry weight.
(7) it is dried to paper:L Water Paper after step (6) is glued, which enters in drying cylinder, dries, the work of drying cylinder
Pressure is 2-3kg/cm2。
The wet strength agent that the present invention is selected is conventional wet strength agent, including Lauxite and its modified product, polyamide
Epoxychloropropane and its modifier, dialdehyde starch, polyethyleneimine etc..
The dispersant that the present invention is selected is water soluble polymer, is a kind of hydrophilic high polymer material, in water
In can dissolve or be swelled and form solution or dispersion liquid, be polyethylene glycol oxide, or PEO.
The advantages of the present invention:
(1) polyester fiber added in raw material of the present invention, with very high heat resistance, assigns wood skin adhesive tape former
The good resistance to elevated temperatures of paper, makes wood skin tape base paper be maintained to very high mechanical strength at 250 DEG C.
(2) polyvinyl alcohol containing proper proportion, refractory agent and water repellent agent in the sizing agent that the present invention is used,
Testing result to finished product body paper shows that sizing agent of the present invention can assign body paper resistant to elevated temperatures characteristic, and
Papery is flexible, anticol good penetrability.
(3) present invention is from the softwood pulp of proper proportion, and polyester fiber and sizing agent are raw material, after mashing
Slurry beating degree is reached 25-34 ° of SR, weight in wet base 6-10g, fibre length is kept as far as possible, make the paper product manufactured paper with pulp strong
Degree is big.
Embodiment
The invention is further illustrated by the following examples, but the present invention is not limited solely to following examples.
Embodiment one
High temperature resistant wood skin tape base paper and preparation method thereof:
(1) proportioning of raw material:Softwood pulp accounts for the 65% of wood skin tape base paper oven-dry weight, and polyester fiber is accounted for
The 25% of wood skin tape base paper oven-dry weight, sizing agent accounts for the 10% of wood skin tape base paper oven-dry weight, wherein
The fineness of polyester fiber is 1.5-10D, and the length of fiber is 14-16mm, the weight of sizing agent aqueous solution each component
Amount percentage is polyvinyl alcohol 9%, polyamide polyureas 0.6%, aqueous polyurethane 3%.
(2) it is beaten:Softwood pulp magma and water are added in hydrabrusher, it is 5% to make slurry concentration,
It is beaten by mill, mashing electric current is 100 amperes, slurry beating degree is reached 25-26 ° of SR, weight in wet base 6-7g.
(3) it is with slurry:Polyester fiber is added in the slurry accomplished fluently to be well mixed.
(4) size mixing:Slurry with water made from above-mentioned steps is diluted to 1%, Lauxite, ureaformaldehyde is added
Resin amount is slurry 60kg per ton, is stirred 30 minutes.
(5) copy paper:PEO is added in slurry made from above-mentioned steps, PEO consumption is
Slurry 3kg per ton, the copy paper on cylinder paper machine.
(6) squeezing drying:L Water Paper page made from above-mentioned steps is entered into drying cylinder after squeezing to dry, drying cylinder
Operating pressure is 2kg/cm2。
(7) it is glued:The internal sizing agent prepared is added in engine sizing machine, by dry paper in machine
It is glued in sizing applicator, pressure of the resin added between speed and application roll adjusts to control, and makes sizing agent concentration
For the 8-12% of high temperature resistant wood skin tape base paper oven-dry weight.
(8) it is dried to paper:L Water Paper after applying glue is entered in many drying cylinders and dried, the operating pressure of drying cylinder is 2
-3kg/cm2, finished product is can obtain after drying.
Embodiment two
High temperature resistant wood skin tape base paper and preparation method thereof:
(1) proportioning of raw material:Softwood pulp accounts for the 66% of wood skin tape base paper oven-dry weight, and polyester fiber is accounted for
The 26% of wood skin tape base paper oven-dry weight, sizing agent accounts for the 8% of wood skin tape base paper oven-dry weight, wherein poly-
The fineness of ester fiber is 1.5-10D, and the length of fiber is 12-16mm, the weight of sizing agent aqueous solution each component
Percentage is polyvinyl alcohol 8%, polyamide polyureas 0.5%, aqueous polyurethane 2%.
(2) it is beaten:Softwood pulp and water are added in hydrabrusher, slurry concentration is 5%, mashing,
It is 110 amperes to be beaten electric current, slurry beating degree is reached 27-28 ° of SR, weight in wet base 8-9g.
(3) it is with slurry:Polyester fiber is added in the slurry accomplished fluently to be well mixed.
(4) punching slurry:Slurry with water made from above-mentioned steps is diluted to 1%, wet strength agent polyamide ring is added
Oxygen chloropropane, wet strength agent addition is slurry 60kg per ton, is stirred 35 minutes.
(5) copy paper:Dispersant polyethylene glycol oxide, dispersant dosage are added in slurry made from above-mentioned steps
For slurry 3kg per ton, the copy paper on cylinder paper machine.
(6) squeezing drying:L Water Paper page made from above-mentioned steps is entered into drying cylinder after squeezing to dry, drying cylinder
Operating pressure is 2kg/cm2。
(7) it is glued:The internal sizing agent prepared is added in engine sizing machine, by dry paper in machine
It is glued in sizing applicator, the pressure of adjustment speed and application roll makes sizing agent concentration former for high temperature resistant wood skin adhesive tape
The 8-10% of paper oven-dry weight
(8) it is dried to paper:L Water Paper after applying glue is entered in drying cylinder and dried, the operating pressure of drying cylinder is 2
kg/cm2, finished product is can obtain after drying.
Embodiment three
High temperature resistant wood skin tape base paper and preparation method thereof:
(1) proportioning of raw material:Softwood pulp accounts for the 58% of wood skin tape base paper oven-dry weight, and polyester fiber is accounted for
The 30% of wood skin tape base paper oven-dry weight, sizing agent accounts for the 12% of wood skin tape base paper oven-dry weight, wherein
The fineness of polyester fiber is 1.5-10D, and the length of fiber is 14-16mm, the weight of sizing agent aqueous solution each component
Amount percentage is polyvinyl alcohol 10%, polyamide polyureas 0.6%, aqueous polyurethane 4%.
(2) it is beaten:Softwood pulp and water are added in hydrabrusher, slurry concentration is 5%, mashing,
It is 110 amperes to be beaten electric current, slurry beating degree is reached 28-29 ° of SR, weight in wet base 9-10g.
(3) it is with slurry:Polyester fiber is added in the slurry accomplished fluently to be well mixed.
(4) punching slurry:Slurry with water made from above-mentioned steps is diluted to 1%, wet strength agent dialdehyde starch is added,
Wet strength agent addition is slurry 60kg per ton, is stirred 30 minutes.
(5) copy paper:Dispersant PEO, dispersant dosage are added in slurry made from above-mentioned steps
For slurry 4kg per ton, the copy paper on cylinder paper machine.
(6) squeezing drying:L Water Paper page made from above-mentioned steps is entered into drying cylinder after squeezing to dry, drying cylinder
Operating pressure is 2-3kg/cm2。
(7) it is glued:The internal sizing agent prepared is added in engine sizing machine, by dry paper in machine
It is glued in sizing applicator, the pressure of adjustment speed and application roll makes sizing agent concentration former for high temperature resistant wood skin adhesive tape
The 8-9% of paper oven-dry weight.
(8) it is dried to paper:L Water Paper after applying glue is entered in drying cylinder and dried, the operating pressure of drying cylinder is 2-3
kg/cm2, finished product is can obtain after drying.
Example IV
High temperature resistant wood skin tape base paper and preparation method thereof:
(1) proportioning of raw material:Softwood pulp accounts for the 69% of wood skin tape base paper oven-dry weight, and polyester fiber is accounted for
The 22% of wood skin tape base paper oven-dry weight, sizing agent accounts for the 9% of wood skin tape base paper oven-dry weight, wherein poly-
The fineness of ester fiber is 1.5-10D, and the length of fiber is 16-18mm, the weight of sizing agent aqueous solution each component
Amount percentage is polyvinyl alcohol 12%, polyamide polyureas 1%, aqueous polyurethane 5%.
(2) it is beaten:Softwood pulp and water are added in hydrabrusher, slurry concentration is 6%, mashing,
It is 110 amperes to be beaten electric current, slurry beating degree is reached 30-34 ° of SR, weight in wet base 9-10g.
(3) it is with slurry:Polyester fiber is added in the slurry accomplished fluently to be well mixed.
(4) punching slurry:Slurry with water made from above-mentioned steps is diluted to 1%, wet strength agent Lauxite is added,
Wet strength agent addition is slurry 60kg per ton, is stirred 30 minutes.
(5) copy paper:Dispersant PEO, dispersant dosage are added in slurry made from above-mentioned steps
For slurry 4kg per ton, the copy paper on cylinder paper machine.
(6) squeezing drying:L Water Paper page made from above-mentioned steps is entered into drying cylinder after squeezing to dry, drying cylinder
Operating pressure is 2-3kg/cm2。
(7) it is glued:The internal sizing agent prepared is added in engine sizing machine, by dry paper in machine
It is glued in sizing applicator, the pressure of adjustment speed and application roll makes sizing agent concentration former for high temperature resistant wood skin adhesive tape
The 10-12% of paper oven-dry weight.
(8) it is dried to paper:L Water Paper after applying glue is entered in drying cylinder and dried, the operating pressure of drying cylinder is 2-3
kg/cm2, finished product is can obtain after drying.
Embodiment five
High temperature resistant wood skin tape base paper and preparation method thereof:
(1) proportioning of raw material:Softwood pulp accounts for the 62% of wood skin tape base paper oven-dry weight, and polyester fiber is accounted for
The 20% of wood skin tape base paper oven-dry weight, sizing agent accounts for the 8% of wood skin tape base paper oven-dry weight, wherein poly-
The fineness of ester fiber is 1.5-10D, and the length of fiber is 16-18mm, the weight of sizing agent aqueous solution each component
Amount percentage is polyvinyl alcohol 8%, polyamide polyureas 0.5%, aqueous polyurethane 2%.
(2) it is beaten:Softwood pulp and water are added in hydrabrusher, slurry concentration is 6%, mashing,
It is 110 amperes to be beaten electric current, slurry beating degree is reached 30-34 ° of SR, weight in wet base 9-10g.
(3) it is with slurry:Polyester fiber is added in the slurry accomplished fluently to be well mixed.
(4) punching slurry:Slurry with water made from above-mentioned steps is diluted to 1%, wet strength agent Lauxite is added,
Wet strength agent addition is slurry 60kg per ton, is stirred 30 minutes.
(5) copy paper:Dispersant PEO, dispersant dosage are added in slurry made from above-mentioned steps
For slurry 4kg per ton, the copy paper on cylinder paper machine.
(6) squeezing drying:L Water Paper page made from above-mentioned steps is entered into drying cylinder after squeezing to dry, drying cylinder
Operating pressure is 2-3kg/cm2。
(7) it is glued:The internal sizing agent prepared is added in engine sizing machine, by dry paper in machine
It is glued in sizing applicator, the pressure of adjustment speed and application roll makes sizing agent concentration former for high temperature resistant wood skin adhesive tape
The 10-12% of paper oven-dry weight.
(8) it is dried to paper:L Water Paper after applying glue is entered in drying cylinder and dried, the operating pressure of drying cylinder is 2-3
kg/cm2, finished product is can obtain after drying.
The high temperature resistant wood skin adhesive tape that method test above section embodiment according to national Specification is prepared
Body paper, index request and testing result see the table below.
The index request and testing result of the high temperature resistant wood skin tape base paper of table 1