CN109183515A - Electronic glass flexible spacer paper and production process thereof - Google Patents
Electronic glass flexible spacer paper and production process thereof Download PDFInfo
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- CN109183515A CN109183515A CN201811197108.9A CN201811197108A CN109183515A CN 109183515 A CN109183515 A CN 109183515A CN 201811197108 A CN201811197108 A CN 201811197108A CN 109183515 A CN109183515 A CN 109183515A
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- slurry
- fiber
- electronic glass
- flexible spacer
- plant fiber
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP 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
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
Abstract
The invention discloses electronic glass flexible spacer paper and a production process thereof, and belongs to the technical field of paper processing. The spacing paper is processed by taking chemical fibers and plant fibers as main raw materials, wherein the chemical fibers account for 5-10% by mass, and the plant fibers account for 90-95% by mass; the partition paper is prepared by the process steps of raw material weighing, plant fiber pulping and purification, chemical fiber pulping, pulp preparation, pH value adjustment and the like, the concentration and beating degree of slurry of different raw materials in each process step, the impurity removal sequence in the process of plant fiber pulping and purification and the like are controlled, the hot melt content and ash content of the finished partition paper in high-temperature and high-humidity environment are reduced, and the strength and air permeability are optimized; the hot melt content of the prepared spacer paper in a high-temperature and high-humidity environment is within 0.08-0.12%, the ash content is within 0.2-0.24%, the wet paper web strength is 0.8-0.9 kN/m, and the air permeability is 160-180 mu m/Pa.s.
Description
Technical field
The invention belongs to sheet processing technical field, specifically a kind of electronic glass flexible spacer paper and its production technology.
Background technique
With the raising of people's level of consumption, each electronic product such as smart phone, tablet computer, LCD TV is increasingly
Popular, family oriented.Liquid crystal display is the important component of electronic product, has the spies such as radiationless, flicker free, energy consumption be small
Point, and growing steadily with the progress of science and technology and global novel electronic product, it is contemplated that coming years novel electron produces
Product are still based on liquid crystal display.
Electronic glass substrate is a core element for constituting liquid crystal display.But electronic glass substrate is in storage, fortune
In defeated and use process, due to the presence of contact and electronic glass surface hardness attachment between electronic glass, it is easy to happen
Scratch.Feeding spaced papers will be used at present in electronic glass production process, between two panels electronic glass to be isolated, it is therefore an objective to anti-
Only the sliding between glass and glass leads to electronic glass surface damage.Existing electronic glass feeding spaced papers, it is generally fine with plant
Dimension is made, and containing compared with impurity such as many greases of sauce, ferro elements, is easy pollution electronic glass.
Through retrieving, Chinese patent, publication number: CN 105926367A, publication date: 2016.09.07 is disclosed a kind of mould proof
Antibacterial liquid crystal electronic glass feeding spaced papers and its production technology, the slurry of the feeding spaced papers include 50~70% primary needlebush
Slurry, 10~30% primary hardwood pulp and 10~20% needlebush reducing rules；Wherein softwood pulp and needlebush reducing rules
It is mixed with beating, beating degree is 25~30 ° of SR；Hardwood pulp is individually beaten, and beating degree is 20~25 ° of SR, quantification of
30~60g/m2, pH value are 4.5~6.5, and moisture is 1.0~4.0%, sheet resistance >=1010 Ω, air permeability >=500ml/
min.The invention has certain isolation and protective effect in electronic glass storage, transportational process, while also having mould proof, moisture-proof
Function, but it is be easy to cause electronic glass surface contamination and mild wear, cause electronic glass final product quality to decline.
Summary of the invention
Technical problems to be solved by the inivention
Aiming at the problem that electronic glass feeding spaced papers in the prior art can pollute electronic glass, wear, the present invention is mentioned
A kind of electronic glass flexible spacer paper and its production technology have been supplied, using chemical fibre and plant fiber as primary raw material, and has been passed through
Plant fiber slurrying and the processing steps such as purification, chemical fibre slurrying, with slurry, adjusting pH value are prepared, and finished product feeding spaced papers exist
Hot-melt object content and content of ashes in high temperature, high humidity environment is low, and papery smoothness is good, can effectively avoid making electronic glass
At pollution, abrasion.
Technical solution
To solve the above problems, technical solution provided by the invention are as follows:
A kind of electronic glass flexible spacer paper, it is main Raw material processing that the feeding spaced papers, which are by chemical fibre and plant fiber,
It obtains, wherein the mass percent of chemical fibre is 5%~10%, and the mass percent of plant fiber is 90%~95%,
The purpose of addition chemical fibre is to increase the flexibility and mechanical strength of material, and production technology includes the following steps:
(1) raw material weighs: quantitatively weighing chemical fibre and plant fiber respectively；
(2) plant fiber slurrying and purification:
A, it is beaten: clumped plant fiber being placed in beater plus water is beaten, the slurry that concentration is 6%~8% is made；
B, oil removing: carrying out steam heating to the slurry after mashing and stir, and promotes the separation of the impurity such as grease, is then placed in arc
It filters, and washes with water in shape sieve, except impurity such as degreasing, inorganic salts, oxides；
C, it removes the gred: water is added into the plant fiber after oil removing, the slurry that concentration is 4%~6% is made, it is therefore an objective to make miscellaneous
Matter is sufficiently separated, and then slurry is placed in heavy scummer, removes the heavy impurity in slurry using heavy scummer；
D, it removes iron: the slurry after slagging-off is placed in liquid magnet iron remover, remove the ferro element in slurry；
E, defibrination: fine grinding is carried out to except the slurry after iron using double plate mill, then utilizes concentration adjusting apparatus by pulp density
It is adjusted to 2%~3%；Promote the further separation of light impurities and ferro element by fine grinding and dilution.
F, secondary slagging-off: the slurry after defibrination is again placed in light dregs-removing device, to light impurities remaining in slurry
It is purged；
G, screening separation: the slurry after secondary slagging-off is placed in pressurized screen and carries out screening separation, further removes slurry
In remaining light impurities and heavy impurity；
H, secondary to remove iron: the slurry after screening separation being placed in liquid magnet iron remover, is removed remaining in slurry
Ferro element；
(3) chemical fibre slurrying: chemical fibre being placed in beater plus water is beaten, and being prepared into concentration is 6%~8%
Chemical fibre slurry, chemical fibre pulp density is adjusted according to the content of chemical fibre in raw material, so that chemical fibre and plant
Fiber sufficiently interweaves combination, to improve the intensity of finished paper；
(4) with slurry: successively by after purification plant fiber slurry and chemical fibre slurry be placed in mud pit and mix
It closes, stirring, is prepared into the mixed slurry that concentration is 2%；
(5) it adjusts pH value: mixed slurry being placed in pretreatment pool, the pH value of slurry is adjusted to 5~7, is prepared into raw material
Slurry；
(6) raw material slurry is placed in paper making equipment successively by copy paper, drying, molding, is prepared into packaging cover board
Paper product.
Preferably, the pH value of the feeding spaced papers is 5~7, and adjusting the pH adjusting agent that uses in pH value step is concentration for 1%
~4% non-iron aluminium sulfate solution, the non-iron aluminium sulfate solution could use after requiring 10 μm of grade filter filterings, avoid band
Enter impurity.Since the fat content in feeding spaced papers is low and weakly acidic, certain antibacterial, fungicidal properties are made it have, is improved resistance to
Use performance.
Preferably, water used in the plant fiber slurrying and purification step be successively by quartz sand, active carbon and
The pure water that 10 μm of filter element filterings obtain influences the quality of feeding spaced papers to avoid impurity is brought by water.
Preferably, the magnetic field strength in the liquid magnet iron remover requires more than 1200 Gausses, to improve except iron speed
Rate further decreases iron content.
Preferably, equipment and slurry contact position used in the plant fiber slurrying and purification step all use
304 stainless steels or 306 stainless steel materials are made, and influence the quality of feeding spaced papers to avoid impurity is brought into.
Preferably, the chemical fibre is polypropylene fibre or polyester fiber, relatively uses polyester fine using polypropylene fibre
Dimension feeding spaced papers intensity is higher, gas permeability is preferable.
Preferably, the feeding spaced papers by mass percent be respectively 5%~10% chemical fibre, 45%~55% it is wealthy
Leaf fibre, 8%~10% change machine aspen fibers by using silicon and 25%~35% needle fiber, additionization machine aspen fibers by using silicon can be improved
The gas permeability of feeding spaced papers, and change machine aspen fibers by using silicon content is higher, gas permeability is better.
Preferably, when plant fiber slurrying and purification, the broad-leaved fiber, change machine aspen fibers by using silicon and needle fiber are made respectively
Slurry, purification.
Preferably, wherein broad-leaved me fibrous slurry and the beating degree of change machine aspen fibers by using silicon slurry are 18~20 ° after beating
SR, the beating degree of needle me fibrous slurry are 28~32 ° of SR；Broad-leaved me fibrous slurry and change machine aspen fibers by using silicon slurry after defibrination and beat
The degree of beating is 20~25 ° of SR, and the beating degree of needle me fibrous slurry is 32~35 ° of SR.Control broad-leaved fiber, change machine aspen fibers by using silicon material with
The beating degree of needle fiber is to make broad-leaved fiber, change machine aspen fibers by using silicon material and needle fiber processed have comparable mechanicalness
Can, while them being made sufficiently to interweave combination, to improve the intensity of feeding spaced papers.
Preferably, the wet web strength of the feeding spaced papers is 0.8~0.9kN/m, and air permeability is 160~180 μm/Pas.
Beneficial effect
Using technical solution provided by the invention, compared with prior art, have the following beneficial effects:
(1) a kind of electronic glass flexible spacer paper provided by the invention, using chemical fibre and plant fiber as primary raw material,
It is easy degradation, safety and environmental protection；Pass through plant fiber slurrying and the processing steps such as purification, chemical fibre slurrying, with slurry, adjusting pH value
Preparation, effectively reduces hot-melt object content and content of ashes of the feeding spaced papers in high temperature, high humidity environment, and papery smoothness is good,
It effectively can avoid polluting electronic glass, wear；
(2) a kind of electronic glass flexible spacer paper provided by the invention, pH value is weakly acidic, and is had by oil removing process
Effect reduces fat content, has antibacterial, fungicidal properties, durable；
(3) a kind of electronic glass flexible spacer paper provided by the invention, in plant fiber slurrying and purification process, successively clearly
Except grease, slag part and ferro element, can remain in avoid slag part and ferro element can not be cleared in grease, reduces slagging-off and except iron
Number improves slagging-off and de-ironing efficiency；
(4) a kind of electronic glass flexible spacer paper provided by the invention, water used in preparation process pass through quartz sand, work
Property charcoal and 10 μm of filter core triple filters, can effectively avoid impurity from being mixed into, improve final product quality；
(5) a kind of electronic glass flexible spacer paper provided by the invention, equipment used in preparation process connect with slurry
Contact portion position all uses 304 stainless steels or 306 stainless steel materials to be made, and further avoids polluting slurry, improves finished product
Quality；
(6) a kind of electronic glass flexible spacer paper provided by the invention, joined machine aspen fibers by using silicon in raw material simultaneously will
Broad-leaved fiber changes machine aspen fibers by using silicon and the slurrying of needle fiber difference, purification, and controls suitable beating degree respectively, can be effective
Improve the intensity and air permeability of feeding spaced papers；
(7) a kind of electronic glass flexible spacer paper provided by the invention, the hot-melt object content in high temperature, high humidity environment
Within 0.08%~0.12%, content of ashes is within 0.2%~0.24%, and wet web strength is 0.8~0.9kN/m, thoroughly
Manner is 160~180 μm/Pas.
Specific embodiment
To further appreciate that the contents of the present invention, the invention will be further described combined with specific embodiments below.
Embodiment 1
A kind of electronic glass flexible spacer paper of the present embodiment, by 5% polypropylene fibre, 55% broad-leaved fiber,
10% change machine aspen fibers by using silicon and the 30% main Raw material processing of needle fiber obtain, and production technology includes following step
It is rapid:
(1) raw material weighs: quantitatively weighing polypropylene fibre respectively, broad-leaved fiber, changes machine aspen fibers by using silicon and needle fiber；
(2) broad-leaved fiber, change machine aspen fibers by using silicon and needle fiber are subjected to slurrying and purification respectively, steps are as follows:
A, it is beaten: bulk fibers being placed in beater plus water is beaten, the slurry that concentration is 8% is made；It is wealthy after beating
Leaf fibre slurry and the beating degree for changing machine aspen fibers by using silicon slurry are 18 ° of SR, and the beating degree of needle me fibrous slurry is 28 ° of SR；
B, oil removing: carrying out steam heating to the slurry after mashing and stir, and promotes the separation of the impurity such as grease, is then placed in arc
It filters, and washes with water in shape sieve；
C, it removes the gred: water is added into the fiber after oil removing, the slurry that concentration is 6% is made, slurry is then placed in heavy
In scummer, the heavy impurity in slurry is removed using heavy scummer；
D, it removes iron: the slurry after slagging-off being placed in the liquid magnet iron remover that magnetic field strength is 1200 Gausses, remove material
Ferro element in slurry；
E, defibrination: fine grinding is carried out to except the slurry after iron using double plate mill, then utilizes concentration adjusting apparatus by pulp density
It is adjusted to 3%；Broad-leaved me fibrous slurry and the beating degree of change machine aspen fibers by using silicon slurry are 20 ° of SR, needle me fibrous slurry after defibrination
Beating degree be 32 ° of SR；
F, secondary slagging-off: the slurry after defibrination is again placed in light dregs-removing device, to light impurities remaining in slurry
It is purged；
G, screening separation: the slurry after secondary slagging-off is placed in pressurized screen and carries out screening separation, further removes slurry
In impurity；
H, secondary to remove iron: the slurry after screening separation is placed in the liquid magnet iron remover that magnetic field strength is 1600 Gausses
In, remove remaining ferro element in slurry；
(3) chemical fibre slurrying: polypropylene fibre being placed in beater plus water is beaten, and being prepared into concentration is 8% poly- third
Alkene me fibrous slurry；
(4) with slurry: successively by after purification plant fiber slurry and polypropylene fibre slurry be placed in mud pit and mix
It closes, stirring, is prepared into the mixed slurry that concentration is 2%；
(5) it adjusts pH value: mixed slurry is placed in pretreatment pool, the non-iron aluminium sulfate that concentration is 3% is added thereto
Solution adjusts the pH value of slurry to 6, is prepared into raw material slurry；
(6) raw material slurry is placed in paper making equipment successively by copy paper, drying, molding, is prepared into packaging cover board
Paper product.
Water used in the plant fiber slurrying and purification step is successively to pass through quartz sand, active carbon and 10 μm of filter cores
The pure water being obtained by filtration.Equipment used in the plant fiber slurrying and purification step and slurry contact position all use
304 stainless steels or 306 stainless steel materials are made.
A kind of electronic glass flexible spacer paper of the present embodiment, quantification of 40g/m2, the heat in high temperature, high humidity environment
Fusant content is 0.08%, and content of ashes is 0.22%, pH value 6, wet web strength 0.85kN/m, and air permeability is 180 μm/
Pa·s。
Embodiment 2
A kind of electronic glass flexible spacer paper of the present embodiment, by 10% polypropylene fibre, 45% broad-leaved fiber,
10% change machine aspen fibers by using silicon and the 35% main Raw material processing of needle fiber obtain, and production technology includes following step
It is rapid:
(1) raw material weighs: quantitatively weighing polypropylene fibre respectively, broad-leaved fiber, changes machine aspen fibers by using silicon and needle fiber；
(2) broad-leaved fiber, change machine aspen fibers by using silicon and needle fiber are subjected to slurrying and purification respectively, steps are as follows:
A, it is beaten: bulk fibers being placed in beater plus water is beaten, the slurry that concentration is 6% is made；It is wealthy after beating
Leaf fibre slurry and the beating degree for changing machine aspen fibers by using silicon slurry are 20 ° of SR, and the beating degree of needle me fibrous slurry is 32 ° of SR；
B, oil removing: carrying out steam heating to the slurry after mashing and stir, and promotes the separation of the impurity such as grease, is then placed in arc
It filters, and washes with water in shape sieve；
C, it removes the gred: water is added into the fiber after oil removing, the slurry that concentration is 4% is made, slurry is then placed in heavy
In scummer, the heavy impurity in slurry is removed using heavy scummer；
D, it removes iron: the slurry after slagging-off being placed in the liquid magnet iron remover that magnetic field strength is 1200 Gausses, remove material
Ferro element in slurry；
E, defibrination: fine grinding is carried out to except the slurry after iron using double plate mill, then utilizes concentration adjusting apparatus by pulp density
It is adjusted to 2%；Broad-leaved me fibrous slurry and the beating degree of change machine aspen fibers by using silicon slurry are 25 ° of SR, needle me fibrous slurry after defibrination
Beating degree be 35 ° of SR；
F, secondary slagging-off: the slurry after defibrination is again placed in light dregs-removing device, to light impurities remaining in slurry
It is purged；
G, screening separation: the slurry after secondary slagging-off is placed in pressurized screen and carries out screening separation, further removes slurry
In impurity；
H, secondary to remove iron: the slurry after screening separation is placed in the liquid magnet iron remover that magnetic field strength is 1600 Gausses
In, remove remaining ferro element in slurry；
(3) chemical fibre slurrying: polypropylene fibre being placed in beater plus water is beaten, and being prepared into concentration is 6% poly- third
Alkene me fibrous slurry；
(4) with slurry: successively by after purification plant fiber slurry and polypropylene fibre slurry be placed in mud pit and mix
It closes, stirring, is prepared into the mixed slurry that concentration is 2%；
(5) it adjusts pH value: mixed slurry is placed in pretreatment pool, the non-iron aluminium sulfate that concentration is 1% is added thereto
Solution adjusts the pH value of slurry to 7, is prepared into raw material slurry；
(6) raw material slurry is placed in paper making equipment successively by copy paper, drying, molding, is prepared into packaging cover board
Paper product.
Water used in the plant fiber slurrying and purification step is successively to pass through quartz sand, active carbon and 10 μm of filter cores
The pure water being obtained by filtration.Equipment used in the plant fiber slurrying and purification step and slurry contact position all use
304 stainless steels or 306 stainless steel materials are made.
A kind of electronic glass flexible spacer paper of the present embodiment, quantification of 40g/m2, the heat in high temperature, high humidity environment
Fusant content is 0.12%, and content of ashes is 0.24%, pH value 7, wet web strength 0.9kN/m, and air permeability is 165 μm/
Pa·s。
Embodiment 3
A kind of electronic glass flexible spacer paper of the present embodiment, by 10% polypropylene fibre, 55% broad-leaved fiber,
10% change machine aspen fibers by using silicon and the 25% main Raw material processing of needle fiber obtain, and production technology includes following step
It is rapid:
(1) raw material weighs: quantitatively weighing polypropylene fibre respectively, broad-leaved fiber, changes machine aspen fibers by using silicon and needle fiber；
(2) broad-leaved fiber, change machine aspen fibers by using silicon and needle fiber are subjected to slurrying and purification respectively, steps are as follows:
A, it is beaten: bulk fibers being placed in beater plus water is beaten, the slurry that concentration is 8% is made；It is wealthy after beating
Leaf fibre slurry and the beating degree for changing machine aspen fibers by using silicon slurry are 18 ° of SR, and the beating degree of needle me fibrous slurry is 28 ° of SR；
B, oil removing: carrying out steam heating to the slurry after mashing and stir, and promotes the separation of the impurity such as grease, is then placed in arc
It filters, and washes with water in shape sieve；
C, it removes the gred: water is added into the fiber after oil removing, the slurry that concentration is 6% is made, slurry is then placed in heavy
In scummer, the heavy impurity in slurry is removed using heavy scummer；
D, it removes iron: the slurry after slagging-off being placed in the liquid magnet iron remover that magnetic field strength is 1200 Gausses, remove material
Ferro element in slurry；
E, defibrination: fine grinding is carried out to except the slurry after iron using double plate mill, then utilizes concentration adjusting apparatus by pulp density
It is adjusted to 3%；Broad-leaved me fibrous slurry and the beating degree of change machine aspen fibers by using silicon slurry are 20 ° of SR, needle me fibrous slurry after defibrination
Beating degree be 32 ° of SR；
F, secondary slagging-off: the slurry after defibrination is again placed in light dregs-removing device, to light impurities remaining in slurry
It is purged；
G, screening separation: the slurry after secondary slagging-off is placed in pressurized screen and carries out screening separation, further removes slurry
In impurity；
H, secondary to remove iron: the slurry after screening separation is placed in the liquid magnet iron remover that magnetic field strength is 1600 Gausses
In, remove remaining ferro element in slurry；
(3) chemical fibre slurrying: polypropylene fibre being placed in beater plus water is beaten, and being prepared into concentration is 6% poly- third
Alkene me fibrous slurry；
(4) with slurry: successively by after purification plant fiber slurry and polypropylene fibre slurry be placed in mud pit and mix
It closes, stirring, is prepared into the mixed slurry that concentration is 2%；
(5) it adjusts pH value: mixed slurry is placed in pretreatment pool, the non-iron aluminium sulfate that concentration is 3% is added thereto
Solution adjusts the pH value of slurry to 6, is prepared into raw material slurry；
(6) raw material slurry is placed in paper making equipment successively by copy paper, drying, molding, is prepared into packaging cover board
Paper product.
Water used in the plant fiber slurrying and purification step is successively to pass through quartz sand, active carbon and 10 μm of filter cores
The pure water being obtained by filtration.Equipment used in the plant fiber slurrying and purification step and slurry contact position all use
304 stainless steels or 306 stainless steel materials are made.
A kind of electronic glass flexible spacer paper of the present embodiment, quantification of 20g/m2, the heat in high temperature, high humidity environment
Fusant content is 0.1%, and content of ashes is 0.2%, pH value 6, wet web strength 0.85kN/m, and air permeability is 180 μm/
Pa·s。
Embodiment 4
A kind of electronic glass flexible spacer paper of the present embodiment, by 7% polypropylene fibre, 50% broad-leaved fiber, 8%
Change machine aspen fibers by using silicon and the 35% main Raw material processing of needle fiber obtain, production technology includes the following steps:
(1) raw material weighs: quantitatively weighing polypropylene fibre respectively, broad-leaved fiber, changes machine aspen fibers by using silicon and needle fiber；
(2) broad-leaved fiber, change machine aspen fibers by using silicon and needle fiber are subjected to slurrying and purification respectively, steps are as follows:
A, it is beaten: bulk fibers being placed in beater plus water is beaten, the slurry that concentration is 7% is made；It is wealthy after beating
Leaf fibre slurry and the beating degree for changing machine aspen fibers by using silicon slurry are 19 ° of SR, and the beating degree of needle me fibrous slurry is 30 ° of SR；
B, oil removing: carrying out steam heating to the slurry after mashing and stir, and promotes the separation of the impurity such as grease, is then placed in arc
It filters, and washes with water in shape sieve；
C, it removes the gred: water is added into the fiber after oil removing, the slurry that concentration is 5% is made, slurry is then placed in heavy
In scummer, the heavy impurity in slurry is removed using heavy scummer；
D, it removes iron: the slurry after slagging-off being placed in the liquid magnet iron remover that magnetic field strength is 1200 Gausses, remove material
Ferro element in slurry；
E, defibrination: fine grinding is carried out to except the slurry after iron using double plate mill, then utilizes concentration adjusting apparatus by pulp density
It is adjusted to 2.5%；Broad-leaved me fibrous slurry and the beating degree of change machine aspen fibers by using silicon slurry are 23 ° of SR, needle fiber material after defibrination
The beating degree of slurry is 34 ° of SR；
F, secondary slagging-off: the slurry after defibrination is again placed in light dregs-removing device, to light impurities remaining in slurry
It is purged；
G, screening separation: the slurry after secondary slagging-off is placed in pressurized screen and carries out screening separation, further removes slurry
In impurity；
H, secondary to remove iron: the slurry after screening separation is placed in the liquid magnet iron remover that magnetic field strength is 1600 Gausses
In, remove remaining ferro element in slurry；
(3) chemical fibre slurrying: polypropylene fibre being placed in beater plus water is beaten, and being prepared into concentration is 7% poly- third
Alkene me fibrous slurry；
(4) with slurry: successively by after purification plant fiber slurry and polypropylene fibre slurry be placed in mud pit and mix
It closes, stirring, is prepared into the mixed slurry that concentration is 2%；
(5) it adjusts pH value: mixed slurry is placed in pretreatment pool, the non-iron aluminium sulfate that concentration is 4% is added thereto
Solution adjusts the pH value of slurry to 5, is prepared into raw material slurry；
(6) raw material slurry is placed in paper making equipment successively by copy paper, drying, molding, is prepared into packaging cover board
Paper product.
Water used in the plant fiber slurrying and purification step is successively to pass through quartz sand, active carbon and 10 μm of filter cores
The pure water being obtained by filtration.Equipment used in the plant fiber slurrying and purification step and slurry contact position all use
304 stainless steels or 306 stainless steel materials are made.
A kind of electronic glass flexible spacer paper of the present embodiment, quantification of 30g/m2, the heat in high temperature, high humidity environment
Fusant content is 0.1%, and content of ashes is 0.22%, pH value 5, wet web strength 0.88kN/m, and air permeability is 170 μm/
Pa·s。
Embodiment 5
A kind of electronic glass flexible spacer paper of the present embodiment, by 5% polyester fiber, 55% broad-leaved fiber, 10%
Change machine aspen fibers by using silicon and the 30% main Raw material processing of needle fiber obtain, production technology is the same as embodiment 1.The interval
The quantification of 40g/m2 of paper, hot-melt object content in high temperature, high humidity environment are in 0.22%, pH value in 0.08%, content of ashes
6, wet web strength 0.8kN/m, air permeability are 175 μm/Pas.
Embodiment 6
A kind of electronic glass flexible spacer paper of the present embodiment, by 10% polyester fiber, 45% broad-leaved fiber, 10%
Change machine aspen fibers by using silicon and the 35% main Raw material processing of needle fiber obtain, production technology is the same as embodiment 2.The interval
The quantification of 40g/m2 of paper, hot-melt object content in high temperature, high humidity environment are in 0.24%, pH value in 0.12%, content of ashes
7, wet web strength 0.85kN/m, air permeability are 160 μm/Pas.
Embodiment 7
A kind of electronic glass flexible spacer paper of the present embodiment, by 10% polyester fiber, 55% broad-leaved fiber, 10%
Change machine aspen fibers by using silicon and the 25% main Raw material processing of needle fiber obtain, production technology is the same as embodiment 3.The interval
The quantification of 20g/m2 of paper, hot-melt object content in high temperature, high humidity environment is 0.1%, and content of ashes is 0.2%, pH value 6,
Wet web strength is 0.8kN/m, and air permeability is 175 μm/Pas.
Embodiment 8
A kind of electronic glass flexible spacer paper of the present embodiment, by 7% polyester fiber, 50% broad-leaved fiber, 8%
Change machine aspen fibers by using silicon and the 35% main Raw material processing of needle fiber obtain, and production technology is the same as embodiment 4.The feeding spaced papers
Quantification of 30g/m2, the hot-melt object content in high temperature, high humidity environment is 0.1%, and for content of ashes 0.22%, pH value 5 is wet
Web strength is 0.83kN/m, and air permeability is 165 μm/Pas.
The present invention is described according to specific embodiment, but it will be understood by those skilled in the art that not departing from this hair
When bright range, various change and equivalent replacement can be carried out.In addition, to adapt to the specific occasion of the technology of the present invention or material, it can be right
The present invention carries out many modifications without departing from its protection scope.Therefore, the present invention is not limited to specific embodiment disclosed herein,
And including all embodiments for dropping into claims.
Claims (10)
1. a kind of electronic glass flexible spacer paper, it is characterised in that: the feeding spaced papers are by based on chemical fibre and plant fiber
Raw material processing is wanted to obtain, wherein the mass percent of chemical fibre is 5%~10%, and the mass percent of plant fiber is
90%~95%, production technology includes the following steps:
(1) raw material weighs: quantitatively weighing chemical fibre and plant fiber respectively；
(2) plant fiber slurrying and purification:
A, it is beaten: clumped plant fiber being placed in beater plus water is beaten, the slurry that concentration is 6%~8% is made；
B, oil removing: carrying out steam heating to the slurry after mashing and stir, and promotes the separation of the impurity such as grease, is then placed in sieve bend
Middle filtering, and wash with water；
C, it removes the gred: water is added into the plant fiber after oil removing, the slurry that concentration is 4%~6% is made, is then placed in slurry
In heavy scummer, the heavy impurity in slurry is removed using heavy scummer；
D, it removes iron: the slurry after slagging-off is placed in liquid magnet iron remover, remove the ferro element in slurry；
E, defibrination: fine grinding is carried out to except the slurry after iron using double plate mill, is then adjusted pulp density using concentration adjusting apparatus
It is 2%~3%；
F, secondary slagging-off: the slurry after defibrination is again placed in light dregs-removing device, is carried out to light impurities remaining in slurry
It removes；
G, screening separation: the slurry after secondary slagging-off being placed in pressurized screen and carries out screening separation, is further removed in slurry
Impurity；
H, secondary to remove iron: the slurry after screening separation being placed in liquid magnet iron remover, remaining iron member in slurry is removed
Element；
(3) chemical fibre slurrying: chemical fibre being placed in beater plus water is beaten, and being prepared into concentration is 6%~8% chemistry
Me fibrous slurry；
(4) with slurry: successively by after purification plant fiber slurry and chemical fibre slurry be placed in mud pit and mixed, stir
It mixes, is prepared into the mixed slurry that concentration is 2%；
(5) it adjusts pH value: mixed slurry being placed in pretreatment pool, the pH value of slurry is adjusted to 5~7, is prepared into raw material material
Slurry；
(6) raw material slurry is placed in paper making equipment successively by copy paper, drying, molding, be prepared into packaging cover paperboard at
Product.
2. a kind of electronic glass flexible spacer paper according to claim 1, it is characterised in that: the pH value of the feeding spaced papers is
5~7, adjust the pH adjusting agent that uses in pH value step be concentration for 1%~4% non-iron aluminium sulfate solution.
3. a kind of electronic glass flexible spacer paper according to claim 1, it is characterised in that: the plant fiber slurrying and
Water used in purification step is the pure water successively obtained by quartz sand, active carbon and 10 μm of filter element filterings.
4. a kind of electronic glass flexible spacer paper according to claim 1, it is characterised in that: the liquid magnet iron remover
In magnetic field strength require more than 1200 Gausses.
5. a kind of electronic glass flexible spacer paper according to claim 1, it is characterised in that: the plant fiber slurrying and
Equipment used in purification step all uses 304 stainless steels or 306 stainless steel materials to be made with slurry contact position.
6. a kind of electronic glass flexible spacer paper according to claim 1, it is characterised in that: the chemical fibre is poly- third
Alkene fiber or polyester fiber.
7. a kind of electronic glass flexible spacer paper according to any one of claims 1 to 6, it is characterised in that: the feeding spaced papers
By mass percent be respectively 5%~10% chemical fibre, 45%~55% broad-leaved fiber, 8%~10% change machine poplar
Wood-fibred and 25%~35% needle fiber.
8. a kind of electronic glass flexible spacer paper according to claim 7, it is characterised in that: plant fiber slurrying and purification
When, the broad-leaved fiber changes machine aspen fibers by using silicon and the slurrying of needle fiber difference, purification.
9. a kind of electronic glass flexible spacer paper according to claim 8, it is characterised in that: wherein,
Broad-leaved me fibrous slurry and the beating degree of change machine aspen fibers by using silicon slurry are 18~20 ° of SR after beating, needle me fibrous slurry
Beating degree is 28~32 ° of SR；
Broad-leaved me fibrous slurry and the beating degree of change machine aspen fibers by using silicon slurry are 20~25 ° of SR after defibrination, needle me fibrous slurry
Beating degree is 32~35 ° of SR.
10. a kind of electronic glass flexible spacer paper according to claim 9, it is characterised in that: the l Water Paper of the feeding spaced papers
Width intensity is 0.8~0.9kN/m, and air permeability is 160~180 μm/Pas.
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| CN109183515B (en) | 2021-07-06 |
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