CN105200170B - The production method of solvent resistant leather - Google Patents
The production method of solvent resistant leather Download PDFInfo
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- CN105200170B CN105200170B CN201510723861.7A CN201510723861A CN105200170B CN 105200170 B CN105200170 B CN 105200170B CN 201510723861 A CN201510723861 A CN 201510723861A CN 105200170 B CN105200170 B CN 105200170B
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Abstract
The present invention relates to a kind of production method of solvent resistant leather, belongs to leather technology field.The production method of the solvent resistant leather comprises the steps：Prepare scytoblastema, scytoblastema is processed successively in accordance with the following steps：Shake soft, toggling, fill, vacuumize, mending wound, buffing, soot blowing, spraying solid, a roller coating, pressing plate, secondary roller coating, secondary pressure plate, spraying, spraying polyurethane gloss oil, No. three pressing plates, secondary spraying polyurethane gloss oil, tumbling, spraying hand feeling agents.The leather for producing in the method not only has excellent solvent resistance, and also there is good ageing-resistant performance.
Description
Technical field
The invention belongs to leather technology field, and in particular to a kind of production method of solvent resistant leather.
Background technology
Leather, generally refer to through tanning, taw or with additive method be prepared with gas permeability and flexible dynamic
Thing fur, also refers at present through artificial synthesized artificial leather leather.
In recent years, the usage amount of leather is risen year by year, is widely used on footwear, clothing, bag and various commodity, therefore right
The performance requirement of leather is also gradually stepped up, and will not only have good feel, will also have good Bearable dry and wet wipe performance, resistance to old
Change performance and solvent resistance etc., although with the continuous development of leather processing technique, the performance of leather has obtained carrying greatly very much
Rise, but the solvent resistance and resistance to ag(e)ing of existing leather are very poor at present, and typically traditional processing method is by skin
Leather surface carries out painting and is decorated with reaching the purposes such as ageing-resistant, solvent resistance, but due to coating method improper, and cover with paint, lacquer, colour wash, etc. physical performance compared with
Difference, can still result in leather and occurs crackle, xanthochromia even scaling phenomenon in use.
Content of the invention
The invention aims to solving the deficiencies in the prior art, and a kind of production method of solvent resistant leather is provided,
The leather for producing in the method not only has excellent solvent resistance, and also there is good ageing-resistant performance.
The present invention is adopted the following technical scheme that：
The production method of solvent resistant leather, comprises the steps：Prepare scytoblastema, scytoblastema is carried out successively in accordance with the following steps
Process：Shake soft, toggling, fill, vacuumize, mend wound, buffing, soot blowing, spraying solid, a roller coating, pressing plate, a secondary rolling
Painting, secondary pressure plate, spraying, spraying polyurethane gloss oil, No. three pressing plates, secondary spraying polyurethane gloss oil, tumbling, spraying feels
Agent.
Further, the production method of described solvent resistant leather, specifically includes following steps：
Step one, shakes soft：Prepare scytoblastema, scytoblastema is placed on the soft machine that shakes shake soft；
Step 2, toggling：By shake soft after scytoblastema be placed on toggling machine and carry out toggling, toggling temperature is 55-65 DEG C, stretch tight away from
10cm；
Step 3, filling：Scytoblastema after by toggling is placed in roller coating filling liquid on coating roller, stands 20-30min；
Step 4, vacuumizes：Scytoblastema after by filling is placed on vacuum machine and vacuumizes, temperature 68-71 DEG C, time 18-
21min, vacuum are 0.8-0.9MPa；
Step 5, mends wound：Scytoblastema after vacuumizing is carried out deburring, hindering material after deburring with benefit carries out benefit wound；
Step 6, buffing：The scytoblastema that mends after wound is placed on buffing machine, buffing is carried out with sand paper；
Step 7, soot blowing：Blow away the dust on the scytoblastema surface after buffing；
Step 8, sprays solid：Scytoblastema is placed in spraying solid on flush coater, and 10- is toasted at 80-85 DEG C
15min；
Step 9, a roller coating：The scytoblastema of spraying solid is placed in roller coating solid on coating roller, at 80-85 DEG C
Baking 15-18min；
Step 10, a pressing plate：Scytoblastema after roller coating is placed on embossing machine carries out pressing plate, and during pressing plate, temperature is
78-82 DEG C, pressure is 780-790N, and the time is 1-3s；
Step 11, secondary roller coating：Scytoblastema through pressing plate successively is placed on coating roller roller coating solid again, in
12-15min is toasted at 82-86 DEG C；
Step 12, secondary pressure plate：Scytoblastema after secondary roller coating is placed on embossing machine carries out pressure hole, and temperature is 88-92
DEG C, pressure is 1170-1180N, and the time is 1-3s；
Step 13, spraying：Scytoblastema after by secondary pressure plate is placed on flush coater and is sprayed, and stands 30-40min afterwards；
Step 14, a spraying polyurethane gloss oil：Scytoblastema is placed in spraying polyurethane gloss oil on flush coater, quantity for spray is
Every square chi of scytoblastema sprays 9-11g polyurethane gloss oils；
Step 15, No. three pressing plates：Scytoblastema is placed on embossing machine carries out pressing plate, and temperature 89-92 DEG C, pressure are 1160-
1180N, time are 1-3s；
Step 10 six, secondary spraying polyurethane gloss oil：Scytoblastema is placed in spraying polyurethane gloss oil on flush coater, quantity for spray is
Every square chi of scytoblastema sprays 5-7g polyurethane gloss oils；
Step 10 seven, tumbling：Scytoblastema is placed in tumbling on cleaning mill, temperature 88-91 DEG C, pressure are 190-200N, after
1-2h is stood at 20-30 DEG C；
Step 10 eight, sprays hand feeling agent：Scytoblastema is placed in spraying hand feeling agent on flush coater, quantity for spray is every square chi of scytoblastema
Spraying 5-7g hand feeling agents, stand 1-2h, obtain final product the solvent resistant leather.
Further, the production method of described solvent resistant leather, wherein described in step one, scytoblastema is head layer ox-hide.
Further, the production method of described solvent resistant leather, wherein described in step 3 filling liquid include according to
The following raw material of mass fraction meter：Water 295-305 parts, penetrant m elio P-4893.B 29-31 parts, acrylic resin 248-
252 parts, aqueous epoxy resin emulsion 14-16 parts.
Further, the production method of described solvent resistant leather, roller coating wherein described in step 3, each roller coating amount
It is every square chi of scytoblastema roller coating filling liquid 19-21g.
Further, the production method of described solvent resistant leather, wherein described in step 5 mend hinder material include according to
The following raw material of mass fraction meter：Benefit hinders filler FI-78-034 95-105 parts, pigment 3-6 parts.
Further, the production method of described solvent resistant leather, the quantity for spray of solid wherein described in step 8
Be every square chi of scytoblastema spraying 5-7g solids, solid described in step 8 and step 9 include according to mass fraction meter as
Lower raw material：Water 298-302 parts, ethylene glycol monobutyl ether 99-101 parts, polyurethane dispersing liquid Melio Promul AP-39.A 98-
102 parts.
Further, the production method of described solvent resistant leather, wherein in step 11, connecing used by secondary roller coating
Agent includes the following raw material according to mass fraction meter：Water 40-60 parts, bleeding agent PT-6507 29-31 parts, polyurethane resin
70-90 parts, water-soluble synthesis resin RC-78-222 245-255 parts, water soluble acrylic resin's RA-2 65-75 parts, delustring are filled out
Material 28-32 parts, cationic fillers FI-1285 69-71 parts, casein 29-31 parts, non-ionic water silicon emulsion HM-77-054 8-
12 parts, water based silicone solution Me lio LV-03 2-4 parts, secondary roller coating amount is every square chi of scytoblastema roller coating 5-7g, wherein
The solid content of the water based silicone solution is 10%-12%.
Further, the production method of described solvent resistant leather, wherein in step 13, raw materials used bag during spraying
Include the following raw material according to mass fraction meter：Water 440-460 parts, bleeding agent PT-6507 29-31 parts, polyurethane resin 110-
130 parts, water-soluble synthesis resin RC-78-222 145-155 parts, water soluble acrylic resin's RA-2 75-85 parts, aqueous poly- ammonia
Ester resin RU-3901Unires 28-32 parts, delustring filler 28-32 parts, bating oil 29-31 parts, non-ionic water silicon breast
Liquid HM-77-054 29-31 parts, casein 29-31 parts, water based silicone solution Melio LV-03 2-4 parts, pigment 95-105
Part, quantity for spray is every square chi of scytoblastema spraying 9-11g.
Compared with prior art, its advantage is the present invention：Not only have according to leather obtained in the inventive method excellent
Different solvent resistance and excellent ageing-resistant performance, also have good ultimate strength and elongation at break, effectively increase skin
The life-span of leather, and which has good Bearable dry and wet wipe performance.
Specific embodiment
With reference to embodiment, the present invention is described in further detail.
It will be understood to those of skill in the art that the following example is merely to illustrate the present invention, and should not be regarded as limiting this
Bright scope.
Embodiment 1
The production method of solvent resistant leather, specifically includes following steps：
Step one, shakes soft：Prepare scytoblastema, scytoblastema is placed on the soft machine that shakes shake soft；
Step 2, toggling：By shake soft after scytoblastema be placed on toggling machine and carry out toggling, toggling temperature is 60 DEG C, stretch tight away from
10cm；
Step 3, filling：Scytoblastema after by toggling is placed in roller coating filling liquid on coating roller, stands 25min, the filling liquid
Including the following raw material according to mass fraction meter：300 parts of water, penetrant m elio P-4893.B (Clariant Chemical Co., Ltd.)
30 parts, 250 parts of acrylic resin, 15 parts of aqueous epoxy resin emulsion, each roller coating amount is every square chi of scytoblastema roller coating filling liquid
20g；
Step 4, vacuumizes：Scytoblastema after by filling is placed on vacuum machine and vacuumizes, temperature 70 C, time 20min, very
Reciprocal of duty cycle is 0.8-0.9MPa；
Step 5, mends wound：Scytoblastema after vacuumizing is carried out deburring, hindering material after deburring with benefit carries out benefit wound, in step 5
The wound material of mending includes the following raw material according to mass fraction meter：Benefit hinders filler FI-78-034 (the limited public affairs of the fine coating of this tal fibre
Department) 100 parts, 5 parts of pigment；
Step 6, buffing：The scytoblastema that mends after wound is placed on buffing machine, buffing is carried out with sand paper；
Step 7, soot blowing：Blow away the dust on the scytoblastema surface after buffing；
Step 8, sprays solid：Scytoblastema is placed in spraying solid on flush coater, and 12min is toasted at 80 DEG C, described
The quantity for spray of solid is that every square chi of scytoblastema sprays 6g solids, and the solid includes the following original according to mass fraction meter
Material：300 parts of water, 100 parts of ethylene glycol monobutyl ether, (Clariant chemical industry is limited for polyurethane dispersing liquid Me lio Promul AP-39.A
Company) 100 parts；
Step 9, a roller coating：The scytoblastema of spraying solid is placed in roller coating solid on coating roller, is toasted at 83 DEG C
16min, the solid include the following raw material according to mass fraction meter：300 parts of water, 100 parts of ethylene glycol monobutyl ether, polyurethane
100 parts of dispersion liquid Melio Promul AP-39.A；
Step 10, a pressing plate：Scytoblastema after roller coating is placed on embossing machine carries out pressing plate, and during pressing plate, temperature is 80
DEG C, pressure is 785N, and the time is 2s；
Step 11, secondary roller coating：Scytoblastema through pressing plate successively is placed on coating roller roller coating solid again, in 84
13min is toasted at DEG C, and the solid used by secondary roller coating includes the following raw material according to mass fraction meter：Water, 50 parts, bleeding agent
30 parts of PT-6507 (the fine coating Co., Ltd of this tal fibre), 80 parts of polyurethane resin, water-soluble synthesis resin RC-78-222 (these
The fine coating Co., Ltd of tal fibre) 250 parts, 70 parts of water soluble acrylic resin RA-2 (the fine coating Co., Ltd of this tal fibre),
30 parts of delustring filler, 70 parts of cationic fillers FI-1285 (the fine coating Co., Ltd of this tal fibre), 30 parts of casein, nonionic water
10 parts of property silicon emulsion HM-77-054 (the fine coating Co., Ltd of this tal fibre), water based silicone solution Me lio LV-03 (sections
Lai En Chemical Co., Ltd.s) 3 parts, secondary roller coating amount is every square chi of scytoblastema roller coating 6g, wherein described water based silicone solution
Solid content be 11%；
Step 12, secondary pressure plate：Scytoblastema after secondary roller coating is placed on embossing machine carries out pressure hole, and temperature is 90 DEG C,
Pressure is 1175N, and the time is 2s；
Step 13, spraying：Scytoblastema after by secondary pressure plate is placed on flush coater and is sprayed, and stands 35min, spraying afterwards
When the raw materials used the following raw material including according to mass fraction meter：450 parts of water, 30 parts of bleeding agent PT-6507, polyurethane resin
120 parts, 150 parts of water-soluble synthesis resin RC-78-222,80 parts of water soluble acrylic resin RA-2, waterborne polyurethane resin
30 parts of RU-3901Unires (the fine coating Co., Ltd of this tal fibre), 30 parts of delustring filler, bating oil 30 parts, nonionic
30 parts of aqueous silicon emulsion HM-77-054,30 parts of casein, 3 parts of water based silicone solution Melio LV-03,100 parts of pigment,
Quantity for spray is every square chi of scytoblastema spraying 10g；
Step 14, a spraying polyurethane gloss oil：Scytoblastema is placed in spraying polyurethane gloss oil on flush coater, quantity for spray is
Every square chi of scytoblastema sprays 10g polyurethane gloss oils；
Step 15, No. three pressing plates：Scytoblastema is placed on embossing machine carries out pressing plate, 90 DEG C of temperature, and pressure is 1170N, when
Between be 2；
Step 10 six, secondary spraying polyurethane gloss oil：Scytoblastema is placed in spraying polyurethane gloss oil on flush coater, quantity for spray is
Every square chi of scytoblastema sprays 6g polyurethane gloss oils；
Step 10 seven, tumbling：Scytoblastema is placed in tumbling on cleaning mill, 90 DEG C of temperature, pressure is 195N, quiet at 25 DEG C
Put 1.5h；
Step 10 eight, sprays hand feeling agent：Scytoblastema is placed in spraying hand feeling agent on flush coater, quantity for spray is every square chi of scytoblastema
Spraying 6g hand feeling agents, stand 1.5h, obtain final product the solvent resistant leather.
Embodiment 2
The production method of solvent resistant leather, specifically includes following steps：
Step one, shakes soft：Prepare scytoblastema, scytoblastema is placed on the soft machine that shakes shake soft；
Step 2, toggling：By shake soft after scytoblastema be placed on toggling machine and carry out toggling, toggling temperature is 55 DEG C, stretch tight away from
10cm；
Step 3, filling：Scytoblastema after by toggling is placed in roller coating filling liquid on coating roller, stands 20min, the filling liquid
Including the following raw material according to mass fraction meter：295 parts of water, penetrant m elio P-4893.B (Clariant Chemical Co., Ltd.)
29 parts, 248 parts of acrylic resin, 14 parts of aqueous epoxy resin emulsion, each roller coating amount is every square chi of scytoblastema roller coating filling liquid
19g；
Step 4, vacuumizes：Scytoblastema after by filling is placed on vacuum machine and vacuumizes, 68 DEG C of temperature, time 21min, very
Reciprocal of duty cycle is 0.8MPa；
Step 5, mends wound：Scytoblastema after vacuumizing is carried out deburring, hindering material after deburring with benefit carries out benefit wound, in step 5
The wound material of mending includes the following raw material according to mass fraction meter：Benefit hinders filler FI-78-034 (the limited public affairs of the fine coating of this tal fibre
Department) 95 parts, 3 parts of pigment；
Step 6, buffing：The scytoblastema that mends after wound is placed on buffing machine, buffing is carried out with sand paper；
Step 7, soot blowing：Blow away the dust on the scytoblastema surface after buffing；
Step 8, sprays solid：Scytoblastema is placed in spraying solid on flush coater, and 15min is toasted at 80 DEG C, described
The quantity for spray of solid is that every square chi of scytoblastema sprays 5g solids, and the solid includes the following original according to mass fraction meter
Material：298 parts of water, 99 parts of ethylene glycol monobutyl ether, (Clariant chemical industry is limited for polyurethane dispersing liquid Mel io Promul AP-39.A
Company) 98 parts；
Step 9, a roller coating：The scytoblastema of spraying solid is placed in roller coating solid on coating roller, is toasted at 80 DEG C
18min, the solid include the following raw material according to mass fraction meter：298 parts of water, 99 parts of ethylene glycol monobutyl ether, polyurethane
98 parts of dispersion liquid Melio Promul AP-39.A；
Step 10, a pressing plate：Scytoblastema after roller coating is placed on embossing machine carries out pressing plate, and during pressing plate, temperature is 78
DEG C, pressure is 7790N, and the time is 3s；
Step 11, secondary roller coating：Scytoblastema through pressing plate successively is placed on coating roller roller coating solid again, in 82
Solid at DEG C used by baking bis- roller coating of 15min includes the following raw material according to mass fraction meter：40 parts of water, bleeding agent
29 parts of PT-6507 (the fine coating Co., Ltd of this tal fibre), 70 parts of polyurethane resin, water-soluble synthesis resin RC-78-222 (these
The fine coating Co., Ltd of tal fibre) 245 parts, 65 parts of water soluble acrylic resin RA-2 (the fine coating Co., Ltd of this tal fibre),
28 parts of delustring filler, 69 parts of cationic fillers FI-1285 (the fine coating Co., Ltd of this tal fibre), 29 parts of casein, nonionic water
8 parts of property silicon emulsion HM-77-054 (the fine coating Co., Ltd of this tal fibre), water based silicone solution Melio L V-03 (sections
Lai En Chemical Co., Ltd.s) 2 parts, secondary roller coating amount is every square chi of scytoblastema roller coating 5g, wherein described water based silicone solution
Solid content be 10%；
Step 12, secondary pressure plate：Scytoblastema after secondary roller coating is placed on embossing machine carries out pressure hole, and temperature is 92 DEG C,
Pressure is 1170N, and the time is 1s；
Step 13, spraying：Scytoblastema after by secondary pressure plate is placed on flush coater and is sprayed, and stands 30min, spraying afterwards
When the raw materials used the following raw material including according to mass fraction meter：440 parts of water, 29 parts of bleeding agent PT-6507, polyurethane resin
110 parts, 145 parts of water-soluble synthesis resin RC-78-222,75 parts of water soluble acrylic resin RA-2, waterborne polyurethane resin
28 parts of RU-3901Unires (the fine coating Co., Ltd of this tal fibre), 28 parts of delustring filler, bating oil 29 parts, nonionic
29 parts of aqueous silicon emulsion HM-77-054,29 parts of casein, 2 parts of water based silicone solution Melio LV-03,95 parts of pigment, spray
Painting amount is every square chi of scytoblastema spraying 9g；
Step 14, a spraying polyurethane gloss oil：Scytoblastema is placed in spraying polyurethane gloss oil on flush coater, quantity for spray is
Every square chi of scytoblastema sprays 9g polyurethane gloss oils；
Step 15, No. three pressing plates：Scytoblastema is placed on embossing machine carries out pressing plate, 89 DEG C of temperature, and pressure is 1160N, when
Between be 1s；
Step 10 six, secondary spraying polyurethane gloss oil：Scytoblastema is placed in spraying polyurethane gloss oil on flush coater, quantity for spray is
Every square chi of scytoblastema sprays 5g polyurethane gloss oils；
Step 10 seven, tumbling：Scytoblastema is placed in tumbling on cleaning mill, 88 DEG C of temperature, pressure is 190N, quiet at 20 DEG C
Put 1h；
Step 10 eight, sprays hand feeling agent：Scytoblastema is placed in spraying hand feeling agent on flush coater, quantity for spray is every square chi of scytoblastema
Spraying 5g hand feeling agents, stand 1h, obtain final product the solvent resistant leather.
Embodiment 3
The production method of solvent resistant leather, specifically includes following steps：
Step one, shakes soft：Prepare scytoblastema, scytoblastema is placed on the soft machine that shakes shake soft；
Step 2, toggling：By shake soft after scytoblastema be placed on toggling machine and carry out toggling, toggling temperature is 65 DEG C, stretch tight away from
10cm；
Step 3, filling：Scytoblastema after by toggling is placed in roller coating filling liquid on coating roller, stands 30min, the filling liquid
Including the following raw material according to mass fraction meter：305 parts of water, penetrant m elio P-4893.B (Clariant Chemical Co., Ltd.)
31 parts, 252 parts of acrylic resin, 16 parts of aqueous epoxy resin emulsion, each roller coating amount is every square chi of scytoblastema roller coating filling liquid
21g；
Step 4, vacuumizes：Scytoblastema after by filling is placed on vacuum machine and vacuumizes, 71 DEG C of temperature, time 18min, very
Reciprocal of duty cycle is 0.9MPa；
Step 5, mends wound：Scytoblastema after vacuumizing is carried out deburring, hindering material after deburring with benefit carries out benefit wound, in step 5
The wound material of mending includes the following raw material according to mass fraction meter：Benefit hinders filler FI-78-034 (the limited public affairs of the fine coating of this tal fibre
Department) 105 parts, 6 parts of pigment；
Step 6, buffing：The scytoblastema that mends after wound is placed on buffing machine, buffing is carried out with sand paper；
Step 7, soot blowing：Blow away the dust on the scytoblastema surface after buffing；
Step 8, sprays solid：Scytoblastema is placed in spraying solid on flush coater, and 10min is toasted at 85 DEG C, described
The quantity for spray of solid is that every square chi of scytoblastema sprays 7g solids, and the solid includes the following original according to mass fraction meter
Material：302 parts of water, 101 parts of ethylene glycol monobutyl ether, (Clariant chemical industry is limited for polyurethane dispersing liquid Me lio Promul AP-39.A
Company) 102 parts；
Step 9, a roller coating：The scytoblastema of spraying solid is placed in roller coating solid on coating roller, is toasted at 85 DEG C
15min, the solid include the following raw material according to mass fraction meter：302 parts of water, 101 parts of ethylene glycol monobutyl ether, polyurethane
102 parts of dispersion liquid Melio Promul AP-39.A；
Step 10, a pressing plate：Scytoblastema after roller coating is placed on embossing machine carries out pressing plate, and during pressing plate, temperature is 82
DEG C, pressure is 780N, and the time is 3s；
Step 11, secondary roller coating：Scytoblastema through pressing plate successively is placed on coating roller roller coating solid again, in 86
Solid at DEG C used by baking bis- roller coating of 12min includes the following raw material according to mass fraction meter：60 parts of water, bleeding agent
31 parts of PT-6507 (the fine coating Co., Ltd of this tal fibre), 90 parts of polyurethane resin, water-soluble synthesis resin RC-78-222 (these
The fine coating Co., Ltd of tal fibre) 255 parts, 75 parts of water soluble acrylic resin RA-2 (the fine coating Co., Ltd of this tal fibre),
32 parts of delustring filler, 71 parts of cationic fillers FI-1285 (the fine coating Co., Ltd of this tal fibre), 31 parts of casein, nonionic water
12 parts of property silicon emulsion HM-77-054 (the fine coating Co., Ltd of this tal fibre), water based silicone solution Melio LV-03 (sections
Lai En Chemical Co., Ltd.s) 4 parts, secondary roller coating amount is every square chi of scytoblastema roller coating 7g, wherein described water based silicone solution
Solid content be 12%；
Step 12, secondary pressure plate：Scytoblastema after secondary roller coating is placed on embossing machine carries out pressure hole, and temperature is 92 DEG C,
Pressure is 1180N, and the time is 1s；
Step 13, spraying：Scytoblastema after by secondary pressure plate is placed on flush coater and is sprayed, and stands 30-40min afterwards,
The raw materials used the following raw material including according to mass fraction meter during spraying：460 parts of water, 31 parts of bleeding agent P T-6507, polyurethane
130 parts of resin, 155 parts of water-soluble synthesis resin RC-78-222,85 parts of water soluble acrylic resin RA-2, aqueous polyurethane
32 parts of resin RU-3901Unires (the fine coating Co., Ltd of this tal fibre), 32 parts of delustring filler, bating are oily 31 parts, non-
31 parts of the aqueous silicon emulsion HM-77-054 of ion, 31 parts of casein, 4 parts of water based silicone solution Melio LV-03, pigment 105
Part, quantity for spray is every square chi of scytoblastema spraying 11g；
Step 14, a spraying polyurethane gloss oil：Scytoblastema is placed in spraying polyurethane gloss oil on flush coater, quantity for spray is
Every square chi of scytoblastema sprays 11g polyurethane gloss oils；
Step 15, No. three pressing plates：Scytoblastema is placed on embossing machine carries out pressing plate, 92 DEG C of temperature, and pressure is 1160N, when
Between be 3s；
Step 10 six, secondary spraying polyurethane gloss oil：Scytoblastema is placed in spraying polyurethane gloss oil on flush coater, quantity for spray is
Every square chi of scytoblastema sprays 7g polyurethane gloss oils；
Step 10 seven, tumbling：Scytoblastema is placed in tumbling on cleaning mill, 91 DEG C of temperature, pressure is 190N, quiet at 30 DEG C
Put 1h；
Step 10 eight, sprays hand feeling agent：Scytoblastema is placed in spraying hand feeling agent on flush coater, quantity for spray is every square chi of scytoblastema
Spraying 7g hand feeling agents, stand 2h, obtain final product the solvent resistant leather.
Performance test is carried out to 1 to 3 gained leather of the embodiment of the present invention；Wet-rub resistance is carried out as follows：Take survey
Sample skin, long 20cm, wide 4cm take the byssus in advance with distillation water-wet, water content 100%, with its friction testing sample skin,
Friction frequency be 30 times per minute, reciprocating friction 150 times, after by byssus at 50-60 DEG C dry, by dried byssus
Compared with gray scales with pollution, visual byssus situation；Resistance to xerotripsis is carried out as follows：Test specimens skin is taken, long
20cm, wide 4cm, take dry byssus, and with its friction testing sample skin, the frequency that rubs is 30 times per minute, reciprocating friction 150
Secondary, after byssus is dried at 50-60 DEG C, dried byssus and pollution are compared with gray scales, visually in vain cotton
Cloth situation；Result of determination：Excellent：Color is not stayed on wet rubbing byssus and xerotripsis byssus, leather Bearable dry and wet wipe performance is described
Excellent；Well：Little color is left on byssus during wet rubbing, color is not stayed during xerotripsis on byssus, and leather Bearable dry and wet wipe is described
Functional；Not good：Color is left on xerotripsis byssus, illustrates that leather Bearable dry and wet wipe performance is not good；Leather ultimate strength and disconnected
Splitting elongation assay method is carried out using galley proof method, and resistance to ag(e)ing is graded with reference to ASTMD1148-07A, and wherein leather is resistance to molten
Agent performance mainly tests the measure of the color fastness to organic solvents of leather, carries out with reference to DIN ENISO 11643.
1 performance test of table
| Test event | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Ultimate strength, N | 348 | 343 | 345 |
| Elongation at break, % | 42.1 | 41.6 | 41.6 |
| Color inhibition, level | 4 | 4 | 4 |
| Bearable dry and wet wipe | Excellent | Excellent | Excellent |
| Solvent resistance, level | 4 | 4 | 4 |
| Wearability, level | 3 | 4 | 4 |
As seen from the above table, by soft, toggling that leather is carried out shaking, fill, vacuumize, mending wound, buffing, soot blowing, spraying and connect
Agent, a roller coating, pressing plate, secondary roller coating, secondary pressure plate, spraying, spraying polyurethane gloss oil, No. three pressing plates, two
Secondary spraying polyurethane gloss oil, tumbling and spraying hand feeling agent etc. operation are processed, and to each operation using material rationally compounded,
So that leather not only has excellent solvent resistance and yellowing resistance, also there is good ultimate strength and wearability.
It should be understood by those skilled in the art that, the present invention is not restricted to the described embodiments, above-described embodiment and explanation
Merely illustrating the principles of the invention described in book, without departing from the spirit and scope of the present invention, the present invention also has
Various changes and modifications, these changes and improvements are both fallen within scope of the claimed invention.The claimed scope of the invention
By appending claims and its equivalent thereof.
Claims (5)
1. the production method of solvent resistant leather, it is characterised in that comprise the steps：Prepare scytoblastema, by scytoblastema successively according to such as
Lower step is processed：Shake soft, toggling, fill, vacuumize, mending wound, buffing, soot blowing, spraying solid, a roller coating, once
Pressing plate, secondary roller coating, secondary pressure plate, spraying, spraying polyurethane gloss oil, No. three pressing plates, secondary spraying polyurethane gloss oil, rollings
Light, spraying hand feeling agent；
Specifically include following steps：
Step one, shakes soft：Prepare scytoblastema, scytoblastema is placed on the soft machine that shakes shake soft；
Step 2, toggling：By shake soft after scytoblastema be placed on toggling machine and carry out toggling, toggling temperature is 55-65 DEG C, stretch tight away from
10cm；
Step 3, filling：Scytoblastema after by toggling is placed in roller coating filling liquid on coating roller, stands 20-30min；
Step 4, vacuumizes：Scytoblastema after by filling is placed on vacuum machine and vacuumizes, temperature 68-71 DEG C, time 18-21min,
Vacuum is 0.8-0.9MPa；
Step 5, mends wound：Scytoblastema after vacuumizing is carried out deburring, hindering material after deburring with benefit carries out benefit wound；
Step 6, buffing：The scytoblastema that mends after wound is placed on buffing machine, buffing is carried out with sand paper；
Step 7, soot blowing：Blow away the dust on the scytoblastema surface after buffing；
Step 8, sprays solid：Scytoblastema is placed in spraying solid on flush coater, and 10-15min is toasted at 80-85 DEG C；Institute
The quantity for spray for stating solid is every square chi of scytoblastema spraying 5-7g solids, the solid include according to mass fraction meter as
Lower raw material：Water 298-302 parts, ethylene glycol monobutyl ether 99-101 parts, polyurethane dispersing liquid Melio Promul AP-39.A 98-
102 parts；
Step 9, a roller coating：The scytoblastema of spraying solid is placed in roller coating solid on coating roller, is toasted at 80-85 DEG C
15-18min；The solid includes the following raw material according to mass fraction meter：Water 298-302 parts, ethylene glycol monobutyl ether 99-
101 parts, polyurethane dispersing liquid Melio Promul AP-39.A 98-102 parts；
Step 10, a pressing plate：Scytoblastema after roller coating is placed on embossing machine carries out pressing plate, and during pressing plate, temperature is 78-82
DEG C, pressure is 780-790N, and the time is 1-3s；
Step 11, secondary roller coating：Scytoblastema through pressing plate successively is placed on coating roller roller coating solid again, in 82-86
12-15min is toasted at DEG C；Solid used by secondary roller coating includes the following raw material according to mass fraction meter：Water 40-60 parts,
Bleeding agent PT-6507 29-31 parts, polyurethane resin 70-90 parts, water-soluble synthesis resin RC-78-222 245-255 parts, water
Soluble acrylic resin RA-2 65-75 parts, delustring filler 28-32 parts, cationic fillers FI-1285 69-71 parts, casein 29-
31 parts, non-ionic water silicon emulsion HM-77-054 8-12 parts, water based silicone solution Melio LV-03 2-4 parts, secondary
Roller coating amount is every square chi of scytoblastema roller coating 5-7g, and the solid content of wherein described water based silicone solution is 10%-12%；
Step 12, secondary pressure plate：Scytoblastema after secondary roller coating is placed on embossing machine carries out pressure hole, and temperature is 88-92 DEG C, pressure
Power is 1170-1180N, and the time is 1-3s；
Step 13, spraying：Scytoblastema after by secondary pressure plate is placed on flush coater and is sprayed, and stands 30-40min afterwards；Spraying
When the raw materials used the following raw material including according to mass fraction meter：Water 440-460 parts, bleeding agent PT-6507 29-31 parts, poly- ammonia
Ester resin 110-130 parts, water-soluble synthesis resin RC-78-222 145-155 parts, water soluble acrylic resin RA-2 75-85
Part, waterborne polyurethane resin RU-3901 Unires 28-32 parts, delustring filler 28-32 parts, bating oil 29-31 parts, non-
The aqueous silicon emulsion HM-77-054 29-31 parts of ion, casein 29-31 parts, water based silicone solution Melio LV-03 2-4
Part, pigment 95-105 parts, quantity for spray are every square chi of scytoblastema spraying 9-11g；
Step 14, a spraying polyurethane gloss oil：Scytoblastema is placed in spraying polyurethane gloss oil on flush coater, quantity for spray is often flat
Square chi scytoblastema sprays 9-11g polyurethane gloss oils；
Step 15, No. three pressing plates：Scytoblastema is placed on embossing machine carries out pressing plate, and temperature 89-92 DEG C, pressure are 1160-
1180N, time are 1-3s；
Step 10 six, secondary spraying polyurethane gloss oil：Scytoblastema is placed in spraying polyurethane gloss oil on flush coater, quantity for spray is often flat
Square chi scytoblastema sprays 5-7g polyurethane gloss oils；
Step 10 seven, tumbling：Scytoblastema is placed in tumbling on cleaning mill, temperature 88-91 DEG C, pressure are 190-200N, after 20-30
1-2h is stood at DEG C；
Step 10 eight, sprays hand feeling agent：Scytoblastema is placed in spraying hand feeling agent on flush coater, quantity for spray is every square chi of scytoblastema spraying
5-7g hand feeling agents, stand 1-2h, obtain final product the solvent resistant leather.
2. the production method of solvent resistant leather according to claim 1, it is characterised in that scytoblastema described in step one is head
Layer ox-hide.
3. the production method of solvent resistant leather according to claim 1, it is characterised in that filling liquid bag described in step 3
Include the following raw material according to mass fraction meter：Water 295-305 parts, penetrant m elio P-4 893.B 29-31 parts, acrylic acid tree
Fat 248-252 parts, aqueous epoxy resin emulsion 14-16 parts.
4. the production method of solvent resistant leather according to claim 3, it is characterised in that roller coating described in step 3, per
Secondary roller coating amount is every square chi of scytoblastema roller coating filling liquid 19-21g.
5. the production method of solvent resistant leather according to claim 1, it is characterised in that mend wound material bag described in step 5
Include the following raw material according to mass fraction meter：Benefit hinders filler FI-78-034 95-105 parts, pigment 3-6 parts.
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| CN107523656B (en) * | 2017-10-12 | 2020-02-14 | 福建晋江佳兴皮革制品有限公司 | High-gloss oil wax leather and preparation process thereof |
| CN109628660B (en) * | 2019-01-31 | 2021-01-19 | 漳州香洲皮革有限公司 | Method for manufacturing three-dimensional embossed leather |
| CN114058743B (en) * | 2021-11-11 | 2022-08-23 | 广西钦州中港皮业有限公司 | Preparation process of simulated crocodile skin |
| CN114622043B (en) * | 2022-04-13 | 2023-12-01 | 瑞泰(漳浦)皮业有限公司 | Manufacturing method of waterproof leather with head layer |
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| CN101130826B (en) * | 2007-08-17 | 2010-06-02 | 峰安皮业股份有限公司 | Manufacturing method for scar-proof and water-proof wax leather shoes fabrics |
| CN102586508B (en) * | 2011-12-26 | 2014-06-18 | 河北东明牛皮制革有限公司 | Production method of leather for cow leather clothes |
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