CN112431037A - Preparation method of mildew-proof automobile leather - Google Patents
Preparation method of mildew-proof automobile leather Download PDFInfo
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- CN112431037A CN112431037A CN202011301634.2A CN202011301634A CN112431037A CN 112431037 A CN112431037 A CN 112431037A CN 202011301634 A CN202011301634 A CN 202011301634A CN 112431037 A CN112431037 A CN 112431037A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06N3/06—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds with polyvinylchloride or its copolymerisation products
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0043—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0068—Polymeric granules, particles or powder, e.g. core-shell particles, microcapsules
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
- D06N3/0077—Embossing; Pressing of the surface; Tumbling and crumbling; Cracking; Cooling; Heating, e.g. mirror finish
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06N3/06—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds with polyvinylchloride or its copolymerisation products
- D06N3/08—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds with polyvinylchloride or its copolymerisation products with a finishing layer consisting of polyacrylates, polyamides or polyurethanes or polyester
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1671—Resistance to bacteria, mildew, mould, fungi
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/26—Vehicles, transportation
- D06N2211/263—Cars
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/28—Artificial leather
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
The invention relates to a preparation method of mildew-proof automobile leather, which comprises the steps of (1) firstly stirring all components of mildew-proof slurry at high speed in a high-speed stirrer, and then carrying out primary banburying in a banbury mixer to obtain the mildew-proof slurry, wherein the temperature during high-speed stirring is 100-155 ℃, and the temperature for primary banburying is 145-155 ℃; (2) the PU sizing agent is coated on the base material, then the base material and the mildew-proof sizing agent are combined in an internal mixer for banburying again, the banburying is carried out, then the banburying is carried out, the PU sizing agent is coated on the base material at the temperature of 140-160 ℃, the temperature for the banburying again is 155-165 ℃, and the calendering temperature is 160-190 ℃; (3) finally, the material enters a foaming printing machine for foaming embossing treatment, wherein the foaming embossing treatment temperature is 160-180 ℃. The product prepared by the invention not only has longer mildew resistance, but also has environmental affinity and is harmless to human body.
Description
Technical Field
The invention belongs to the field of artificial leather manufacturing, and particularly relates to a preparation method of automobile leather.
Background
The artificial leather is the first substitute for leather facing material and is made of polyvinyl chloride resin, plasticizer and other assistants through heating, melting and adhering to cloth. Is widely applied to the fields of sports goods, furniture, sofas, automobile interiors and the like, and has wide application. Automotive interiors, particularly automotive seat cushion leather, are required to have a long service life, to be resistant to abrasion and corrosion, to be mildewproof, and to have a toxicity problem of mildewproofing due to contact with human bodies.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to overcome the defects in the prior art and provide the preparation method of the mildewproof automobile leather, and the prepared mildewproof automobile leather not only has longer mildewproof performance, but also has environmental compatibility and no harm to human bodies due to contact.
The technical scheme is as follows: in order to solve the technical problem, the preparation method of the mildew-proof automobile leather comprises the following steps,
(1) firstly, stirring all components of the mildew-proof slurry at a high speed in a high-speed stirrer, and then carrying out primary banburying in an internal mixer to obtain the mildew-proof slurry, wherein the temperature during high-speed stirring is 100-155 ℃, and the temperature for primary banburying is 145-155 ℃;
(2) the PU sizing agent is coated on the base material, then the base material and the mildew-proof sizing agent are combined in an internal mixer for banburying again, the banburying is carried out, then the banburying is carried out, the PU sizing agent is coated on the base material at the temperature of 140-160 ℃, the temperature for the banburying again is 155-165 ℃, and the calendering temperature is 160-190 ℃;
(3) finally, the material enters a foaming printing machine for foaming embossing treatment, wherein the foaming embossing treatment temperature is 160-180 ℃.
Further, the mildew-proof slurry comprises the following components in parts by weight,
(1) 100 parts of PVC resin powder;
(2) 10-30 parts of TPU resin;
(3) 0.5-3 parts of composite mildew-proof particles;
(4) 10-40 parts of epoxidized soybean oil;
(5) 2-20 parts of color cake;
(6) 3-7 parts of a stabilizer and a foaming agent;
(7) 20-40 parts of ground calcium carbonate.
Further, the PVC resin powder is S-5 type calcium carbide process polyvinyl chloride powder.
Further, the composite mildew-proof particles are prepared from organic zinc salt nanoparticles and nano silver particles according to a mass ratio of 2: 1-1: 2 to form an aggregate.
Furthermore, the average particle size of the composite mildew-proof particles is 10-30nm, and the specific surface area is more than or equal to 50 m/g.
Further, the stabilizer is one of a potassium zinc stabilizer, a barium zinc stabilizer or a PVC composite stabilizer, and the foaming agent is azodicarbonamide or a mixture containing azodicarbonamide.
Further, the mildew-proof slurry comprises the following components in parts by weight,
(1) 100 parts of PVC resin powder;
(2) 24 parts of TPU resin;
(3) 1.6 parts of composite mildew-proof particles;
(4) 32 parts of epoxidized soybean oil;
(5) 15 parts of color cake;
(6) 4 parts of a stabilizer and a foaming agent;
(7) 30 parts of ground calcium carbonate.
The PVC resin is SG-5 PVC resin, namely S-5 type calcium carbide method polyvinyl chloride, and the resin is prepared into slurry in a powder state.
The TPU resin is thermoplastic polyurethane resin and is used as a plasticizer of PVC, and the using amount of the TPU resin in the slurry is preferably 20-30 parts.
The color cake is a common color cake for manufacturing artificial leather and is selected according to different color requirements. Avoiding the use of color cakes containing heavy metals and other forbidden substances.
The stabilizer and the foaming agent are auxiliary agents commonly used for artificial leather production, wherein the stabilizer is preferably a potassium-zinc stabilizer, a barium-zinc stabilizer or a PVC composite stabilizer, and the foaming agent is preferably azodicarbonamide (namely foaming agent AC) or a mixture containing the azodicarbonamide.
The filler in the invention adopts heavy calcium (ground calcium carbonate).
The calendering method is to mix the raw materials of the high-strength PVC slurry for the first time at 145-155 ℃ after stirring the raw materials at a high speed at 100-150 ℃ to obtain the high-strength PVC slurry; the base material is coated with PU (polyurethane) slurry at the temperature of 140-160 ℃, then combined with the high-strength slurry to be subjected to banburying again at the temperature of 155-165 ℃, subjected to banburying, fed into a four-roll rolling mill to be subjected to rolling and flattening at the temperature of 160-190 ℃, and finally subjected to foaming and embossing treatment at the temperature of 160-180 ℃.
Has the advantages that: compared with the prior art, the invention has the following remarkable advantages: according to the invention, part of TPU thermoplastic polyurethane resin is added, and the excellent characteristics of TPU and PVC are fully exerted under the coordination of all components, so that the TPU thermoplastic polyurethane resin can be used as a PVC plasticizer, the problems of plasticizer migration and volatilization existing in part of polyvinyl chloride are solved, and the hardness and the toughness of a product can be improved; the mildew-proof automobile leather also adopts the composite mildew inhibitor, so that the defect of a single mildew-proof function of the mildew inhibitor is overcome, and the mildew-proof automobile leather is further cooperated with TPU and other components, so that the mildew-proof performance of the mildew-proof automobile leather is greatly improved; the mildew-proof automobile leather prepared by the method has long mildew-proof performance, environmental compatibility and no harm to human body.
Detailed Description
The present invention will be further described with reference to the following examples.
Example 1
The mildew-proof slurry comprises the following components in parts by weight: 100 parts of PVC resin powder, 25 parts of TPU resin, 2.1 parts of composite mildew-proof particles (the mass ratio is 1: 1, the average particle size is 20nm, and the specific surface area is more than or equal to 50 m/g), 30 parts of epoxidized soybean oil, 7 parts of colored cakes, 2 parts of a potassium-zinc stabilizer, 2 parts of a foaming agent and 32 parts of heavy calcium.
Inputting the metered materials into a high-speed stirrer through a pulse feeding machine according to the ingredients, controlling the temperature at 100 ℃ and 150 ℃, fully stirring, and then entering an internal mixer, controlling the temperature at 155 ℃, and internally mixing for several minutes; in addition, after the base material (various fabrics) is reeled, PU slurry is applied, the temperature is controlled at 150 ℃, the fully internally mixed material is combined with the base material applied with the PU slurry, the mixture enters a two-roll open mill, the temperature is controlled at 160 ℃, the mixture enters a four-roll rolling mill, the temperature is controlled at 160-.
Example 2
The mildew-proof slurry comprises the following components in parts by weight: 100 parts of PVC resin powder, 15 parts of TPU resin, 2.5 parts of composite mildew-proof particles (1: 2, the average particle size is 20nm, the specific surface area is more than or equal to 50 m/g), 20 parts of epoxidized soybean oil, 6 parts of color cake, 1.5 parts of barium-zinc stabilizer, 2.5 parts of azodicarbonamide and 28 parts of heavy calcium.
Inputting the metered materials into a high-speed stirrer through a pulse feeding machine according to the ingredients, controlling the temperature at 100 ℃ and 150 ℃ for fully stirring, and then, entering an internal mixer, controlling the temperature at 152 ℃ for internal mixing for several minutes; in addition, after the base material (various fabrics) is reeled, PU slurry is applied, the temperature is controlled at 150 ℃, the fully internally mixed material is combined with the base material applied with the PU slurry, the mixture enters a two-roll open mill, the temperature is controlled at 160 ℃, the mixture enters a four-roll rolling mill, the temperature is controlled at 160-.
According to the invention, part of TPU thermoplastic polyurethane resin is added, and the excellent characteristics of TPU and PVC are fully exerted under the coordination of all components, so that the TPU thermoplastic polyurethane resin can be used as a PVC plasticizer, the problems of plasticizer migration and volatilization existing in part of polyvinyl chloride are solved, and the hardness and the toughness of a product can be improved; the mildew-proof automobile leather also adopts the composite mildew inhibitor, so that the defect of a single mildew-proof function of the mildew inhibitor is overcome, and the mildew-proof automobile leather is further cooperated with TPU and other components, so that the mildew-proof performance of the mildew-proof automobile leather is greatly improved; the mildew-proof automobile leather prepared by the method has long mildew-proof performance, environmental compatibility and no harm to human body.
The present invention provides a thought and a method, and a method and a way for implementing the technical scheme are many, the above is only a preferred embodiment of the present invention, it should be noted that, for a person skilled in the art, a plurality of improvements and modifications can be made without departing from the principle of the present invention, and the improvements and modifications should be regarded as the protection scope of the present invention, and each component not explicitly described in the embodiment can be implemented by the prior art.
Claims (7)
1. The preparation method of the mildew-proof automobile leather is characterized by comprising the following steps: which comprises the following steps of,
(1) firstly, stirring all components of the mildew-proof slurry at a high speed in a high-speed stirrer, and then carrying out primary banburying in an internal mixer to obtain the mildew-proof slurry, wherein the temperature during high-speed stirring is 100-155 ℃, and the temperature for primary banburying is 145-155 ℃;
(2) the PU sizing agent is coated on the base material, then the base material and the mildew-proof sizing agent are combined in an internal mixer for banburying again, the banburying is carried out, then the banburying is carried out, the PU sizing agent is coated on the base material at the temperature of 140-160 ℃, the temperature for the banburying again is 155-165 ℃, and the calendering temperature is 160-190 ℃;
(3) finally, the material enters a foaming printing machine for foaming embossing treatment, wherein the foaming embossing treatment temperature is 160-180 ℃.
2. The method for preparing mildewproof automobile leather according to claim 1, wherein the mildewproof automobile leather comprises the following steps: the mildew-proof slurry comprises the following components in parts by weight,
(1) 100 parts of PVC resin powder;
(2) 10-30 parts of TPU resin;
(3) 0.5-3 parts of composite mildew-proof particles;
(4) 10-40 parts of epoxidized soybean oil;
(5) 2-20 parts of color cake;
(6) 3-7 parts of a stabilizer and a foaming agent;
(7) 20-40 parts of ground calcium carbonate.
3. The method for preparing mildewproof automobile leather according to claim 1, wherein the mildewproof automobile leather comprises the following steps: the PVC resin powder is S-5 type calcium carbide method polyvinyl chloride powder.
4. The method for preparing mildewproof automobile leather according to claim 1, wherein the mildewproof automobile leather comprises the following steps: the composite mildew-proof particles are prepared from organic zinc salt nanoparticles and nano silver particles according to a mass ratio of 2: 1-1: 2 to form an aggregate.
5. The method for preparing mildewproof automobile leather according to claim 1, wherein the mildewproof automobile leather comprises the following steps: the average particle size of the composite mildew-proof particles is 10-30nm, and the specific surface area is more than or equal to 50 m/g.
6. The method for preparing mildewproof automobile leather according to claim 1, wherein the mildewproof automobile leather comprises the following steps: the stabilizer is one of a potassium zinc stabilizer, a barium zinc stabilizer or a PVC composite stabilizer, and the foaming agent is azodicarbonamide or a mixture containing azodicarbonamide.
7. The method for preparing mildewproof automobile leather according to claim 2, wherein the mildewproof automobile leather comprises the following steps: the mildew-proof slurry comprises the following components in parts by weight,
(1) 100 parts of PVC resin powder;
(2) 24 parts of TPU resin;
(3) 1.6 parts of composite mildew-proof particles;
(4) 32 parts of epoxidized soybean oil;
(5) 15 parts of color cake;
(6) 4 parts of a stabilizer and a foaming agent;
(7) 30 parts of ground calcium carbonate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011301634.2A CN112431037A (en) | 2020-11-19 | 2020-11-19 | Preparation method of mildew-proof automobile leather |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011301634.2A CN112431037A (en) | 2020-11-19 | 2020-11-19 | Preparation method of mildew-proof automobile leather |
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| CN112431037A true CN112431037A (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011301634.2A Pending CN112431037A (en) | 2020-11-19 | 2020-11-19 | Preparation method of mildew-proof automobile leather |
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Citations (6)
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| CN103046394A (en) * | 2011-10-17 | 2013-04-17 | 江苏国信合成革有限公司 | Antibacterial synthetic leather and preparation method thereof |
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| CN111155320A (en) * | 2019-12-28 | 2020-05-15 | 江苏国信复合材料科技股份有限公司 | PVC slurry for faint scent type automobile cushion leather and preparation method for manufacturing faint scent type automobile cushion leather by adopting PVC slurry |
| CN111171447A (en) * | 2020-01-20 | 2020-05-19 | 深圳市捷安纳米复合材料有限公司 | Bactericidal plastic master batch and preparation method and application thereof |
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2020
- 2020-11-19 CN CN202011301634.2A patent/CN112431037A/en active Pending
Patent Citations (6)
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| CN102154844A (en) * | 2011-04-02 | 2011-08-17 | 江苏国信合成革有限公司 | High-wear-resistant artificial leather and preparation method thereof |
| CN103046393A (en) * | 2011-10-17 | 2013-04-17 | 江苏国信合成革有限公司 | Antistatic synthetic leather and preparation method thereof |
| CN103046394A (en) * | 2011-10-17 | 2013-04-17 | 江苏国信合成革有限公司 | Antibacterial synthetic leather and preparation method thereof |
| CN104894881A (en) * | 2014-03-06 | 2015-09-09 | 江苏国信合成革有限公司 | High-strength flocking substrate artificial leather and preparation method thereof |
| CN111155320A (en) * | 2019-12-28 | 2020-05-15 | 江苏国信复合材料科技股份有限公司 | PVC slurry for faint scent type automobile cushion leather and preparation method for manufacturing faint scent type automobile cushion leather by adopting PVC slurry |
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