WO2024004228A1 - Procédé de production de feuille de résine, cuir pvc et cuir végan - Google Patents

Procédé de production de feuille de résine, cuir pvc et cuir végan Download PDF

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Publication number
WO2024004228A1
WO2024004228A1 PCT/JP2022/037929 JP2022037929W WO2024004228A1 WO 2024004228 A1 WO2024004228 A1 WO 2024004228A1 JP 2022037929 W JP2022037929 W JP 2022037929W WO 2024004228 A1 WO2024004228 A1 WO 2024004228A1
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WO
WIPO (PCT)
Prior art keywords
leather
resin sheet
pvc
manufacturing
sheet
Prior art date
Application number
PCT/JP2022/037929
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English (en)
Japanese (ja)
Inventor
比呂達 田中
Original Assignee
ステータシー株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ステータシー株式会社 filed Critical ステータシー株式会社
Priority to CN202280005198.5A priority Critical patent/CN117693548A/zh
Priority to JP2022573551A priority patent/JP7387127B1/ja
Priority to KR1020227042035A priority patent/KR20240003693A/ko
Priority to JP2023042390A priority patent/JP2024006946A/ja
Publication of WO2024004228A1 publication Critical patent/WO2024004228A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/02—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising animal or vegetable substances, e.g. cork, bamboo, starch
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • 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
    • 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
    • D06N7/00—Flexible sheet materials not otherwise provided for, e.g. textile threads, filaments, yarns or tow, glued on macromolecular material
    • D06N7/0002—Wallpaper or wall covering on textile basis

Definitions

  • the present invention relates to a method for manufacturing a resin sheet, PVC leather, and vegan leather.
  • An object of the present invention is to provide a method for manufacturing a resin sheet that can improve tensile strength, as well as PVC leather and vegan leather.
  • the method for producing a resin sheet of the present invention includes a first step of freezing and pulverizing plant-derived raw materials to generate powder, a second step of mixing the powder with a resin raw material to generate a mixed raw material, and a second step of generating a mixed raw material. and a third step of processing the material into a sheet material.
  • the plant-derived raw materials may include seeds or seed-derived raw materials.
  • the plant-derived raw materials may include fruits.
  • the plant-derived raw material may include plant stems.
  • the method for manufacturing a resin sheet of the present invention may include a fourth step of laminating the sheet material to the base material.
  • the powder may be composed of particles that have been pulverized to have an average particle size of at least 250 ⁇ m or less.
  • the PVC leather of the present invention is a PVC leather manufactured using a resin sheet manufactured by any of the resin sheet manufacturing methods described above.
  • the vegan leather of the present invention is vegan leather manufactured using a resin sheet manufactured by any of the resin sheet manufacturing methods described above.
  • a resin sheet can be manufactured using powder produced by freeze-pulverization. This makes it possible to improve the tensile strength of the resin sheet.
  • FIG. 2 is a schematic diagram showing the flow of freeze-pulverization processing included in the pulverization process shown in FIG. 1.
  • FIG. FIG. 2 is a schematic diagram showing the flow of each process in the adjustment step, kneading step, rolling step, compression bonding step, and recovery step included in FIG. 1.
  • FIG. It is a flowchart which shows the flow of the manufacturing method of the dry synthetic leather sheet in 2nd Embodiment. It is a figure which shows typically the flow of each process in a processing process, a pasting process, and a collection
  • vegan leather is a material that artificially reproduces the appearance and texture of leather without using animal skin.
  • Examples of vegan leather include PVC leather, artificial leather, and synthetic leather.
  • FIG. 1 is a flowchart showing the flow of a method 10 for manufacturing vegan leather (PVC leather).
  • FIG. 2 is a schematic diagram showing the flow of the freeze-pulverization process in the crushing step S1.
  • the vegan leather manufacturing method 10 includes a pulverization step (first step) S1 of freezing and pulverizing coffee grounds CS, a preparation step S2 of a PVC resin mixed raw material Q, and a pulverization step.
  • Coffee grounds CS is the residue (in other words, it can also be expressed as pomace) after extracting components from coffee beans or coffee bean powder using hot water or water.
  • coffee grounds CS corresponds to a raw material derived from seeds.
  • the coffee grounds CS put into the raw material tank 20 are pre-cooled using liquid nitrogen supplied from the liquid nitrogen tank 22 to the raw material tank 22 via the supply pipe P1. do. Then, the pre-cooled coffee grounds CS are conveyed to the freeze grinder 26 via the screw feeder 24. Liquid nitrogen is supplied to this freeze crusher 26 from a liquid nitrogen tank 22 via a supply pipe P2, and coffee grounds CS supplied from a screw feeder 24 via a supply pipe P3 are frozen at a predetermined low temperature. It has the function of crushing in the state. As the freeze crusher 26, it is preferable to use, for example, Linrex Mill (registered trademark) manufactured by Hosokawa Micron Corporation.
  • coffee grounds CS is used as a plant-derived (in other words, it can also be expressed as seed-derived) raw material, but instead of coffee grounds CS, seeds such as coffee beans, cacao beans, peanuts, and peanuts may be used. Good too. Furthermore, fruits such as apples, tangerines, grapes, and bananas may be used as plant-derived raw materials. More specifically, all of these fruits may be used as they are, or only a portion of the fruit may be used. Examples of this fruit include apple peel, tangerine peel, grape skin, and banana peel. Furthermore, discarded fruit or fruit scheduled for disposal may be used as the plant-derived raw material. In this case, waste food can be effectively utilized. Furthermore, as a plant-derived raw material, plant fibers obtained from banana stems, cacti, etc. may be used.
  • the inventor conducted a study and found that when attempting to powderize coffee grounds by grinding them using a mortar or mortar, the coffee grounds become paste-like due to the influence of oil contained in the coffee grounds. It turned out that it was difficult to make it into powder form. It was also found that when a PVC sheet material was produced by mixing the paste-like coffee grounds with a PVC resin raw material, the sheet material had an extremely low tensile strength and was not suitable for practical use.
  • the inventor conducted extensive research and found that it is possible to powderize coffee grounds by performing a freeze-grinding process using liquid nitrogen or the like as in this embodiment. It has also been found that when PVC sheet material is manufactured using powdered coffee grounds, the tensile strength of the sheet is also improved.
  • the inventor conducted extensive research and found that if coffee beans, cacao beans, peanuts, etc. are ground in place of coffee grounds using a mortar or mortar, they tend to become paste-like. It turns out that problems can easily occur. Therefore, the inventor conducted additional studies and found that the tensile strength of the PVC sheet can be improved by using freeze-grinding treatment, similar to the case of coffee grounds described above.
  • the inventor conducted a study and found that when trying to crush fruits such as apples, tangerines, grapes, and bananas, or the skins of these fruits using a mortar or mortar, these fruits It has also been found that it is difficult to grind into fine powder (which can also be expressed as fine granulation) due to the influence of moisture contained in the skin of the fruit. However, we have found that even in these cases, it is possible to micronize (reduce particles) and improve the tensile strength of PVC sheets by performing freeze-grinding treatment in the same way as in the case of coffee grounds mentioned above. It's arrived.
  • the tensile strength of the sheet material SH by pulverizing the powdered coffee grounds CP so that the average particle size is 250 ⁇ m or less and then manufacturing the above-mentioned PVC sheet material SH. Do you get it. Furthermore, it is more preferable to pulverize the coffee grounds CS so that the average particle size of the coffee grounds powder CP is 150 ⁇ m or less. Thereby, the tensile strength of the PVC sheet material SH can be further improved. Furthermore, by pulverizing coffee grounds CS and incorporating it into PVC sheet material SH or PVC leather sheet PH, it is sufficient even when the content (ratio) of coffee grounds CS contained in the same sheet materials SH and PH is increased. It also has the advantage of being able to obtain a high tensile strength.
  • coffee grounds powder CP can be used instead of coffee grounds CS.
  • the inventor's research has revealed that the tensile strength of the PVC sheet material SH can be improved by making the particles finer (micronized). Specifically, when using seeds such as coffee grounds, coffee beans, cacao beans, and peanuts, fruits such as apples, tangerines, grapes, and bananas, and the skins of these fruits, the average particle size of the powder is 100 ⁇ m or less.
  • the pulverization treatment it is preferable to carry out the pulverization treatment so that the following results are obtained. This makes it possible to sufficiently suppress variations in the tensile strength of the PVC sheet material SH.
  • the above-mentioned powder may be pulverized so that the average particle size becomes 50 ⁇ m or less.
  • steps S2 to S6 other than the above-mentioned crushing step S1 will be explained with further reference to FIG. 3.
  • a stabilizer, a lubricant, a plasticizer, a coloring agent, a modifier, etc. are mixed with the PVC resin powder (resin) using a mixing device such as a ribbon blender (not shown) to form the PVC resin.
  • a mixed raw material Q is produced.
  • a Banbury mixer closed kneader
  • a pair of mixing rolls (open kneader) 34A, 34B, a pair of warming rolls 36A, 36B, etc. are used.
  • the PVC resin mixed raw material Q is made into a rice cake (gel)-like mixture R containing coffee grounds.
  • the PVC resin mixed raw material Q is put into the Banbury mixer 32 and kneaded until it becomes gel-like, it is put into the mixing roll pair 34A, 34B and the coffee produced in the grinding step S1 (see FIG. 2)
  • a mixture R containing coffee grounds is produced by adding and mixing the powdered coffee grounds CP.
  • the coffee grounds-containing mixture R is conveyed to a pair of warming rolls 36A and 36B having a heating function, and the viscosity of the coffee grounds-containing mixture R is adjusted while heating the mixture R so as not to cool.
  • the coffee grounds-containing mixture R is rolled by the calender device 38 and formed into a sheet to produce a PVC sheet material SH containing coffee grounds.
  • the calender device 38 is a rolling device that includes a pair of nipping rollers 38A, 38B that nip the coffee grounds-containing mixture R, feed rollers 39A, 39B, and the like.
  • the coffee grounds-containing PVC sheet material SH sent out from the upstream calendar device 38 and the base fabric BS fed from the feeding device 40 via the plurality of rollers 42 and 44 are rolled onto the rolling roller pair 52. , 54 and pressure bonding to produce a PVC leather sheet PH.
  • the base fabric BS is made of, for example, a knitted fabric, a woven fabric, a nonwoven fabric, or the like.
  • the base fabric BS and the PVC sheet material SH are bonded together in the crimping step S5, but the base fabric BS may be used as the PVC sheet material SH without being bonded together. In this case, there is no need to provide the crimping step S5.
  • the PVC leather sheet PH sent out from the crimping step S5 is cooled while being transported between a plurality of transport rollers 61, 62, 63, and then wound up by a winding device 70. to recover.
  • vegan leather (in other words, PVC leather sheet PH) is manufactured using coffee grounds powder CP generated by freeze-grinding. be able to. This makes it possible to improve the tensile strength of vegan leather.
  • the method 10 for manufacturing vegan leather (PVC leather sheet PH) is described as an example, but the present invention is not limited thereto.
  • it may be realized as a dry synthetic leather sheet manufacturing method 80.
  • a dry synthetic leather sheet manufacturing method 80 according to the second embodiment in this case will be described using FIGS. 4 and 5.
  • dry synthetic leather seats are also included in vegan leather.
  • FIG. 4 is a flowchart showing the flow of each step in the manufacturing method 80.
  • FIG. 5 is a diagram schematically showing the flow of each process in the processing step S12, pasting step S13, and collection step S14 among the steps included in the flowchart shown in FIG.
  • the dry synthetic leather sheet manufacturing method 80 includes the above-mentioned crushing step S1 (see FIG. 2), mixing step (second step) S11, and processing step (third step). ) S12, a pasting step (fourth step) S13, and a collecting step 14.
  • the mixing step S11 for example, the coffee grounds powder CP produced in the grinding step S1 is mixed with a one-component polyurethane resin solution T1.
  • the release paper U is transported downstream from the feed roller 81 via the transport roller 82 and the coating roller 83, and in the mixing step S11, the polyurethane resin mixed with coffee grounds powder CP is mixed.
  • Solution T1 is applied (can also be expressed as coating). Thereby, the skin layer resin film PU1 is formed on the release paper U. Then, while conveying the release paper U on which the skin layer resin film PU1 is formed to the downstream side, a drying process is performed using the dryer HT1.
  • a two-component polyurethane resin solution T2 is applied to the skin layer.
  • the adhesive layer PU2 is formed by coating the adhesive layer PU2 on the resin film PU1. Thereby, the skin layer resin film PU1 and the adhesive layer PU2 can be laminated on the release paper U.
  • the release paper U on which the skin layer resin film PU1 and the adhesive layer PU2 are laminated is passed through the dryer HT2 while being conveyed downstream. Thereby, the solvent and the like contained in the adhesive layer PU2 are volatilized.
  • the base fabric TS (which can also be expressed as the base TS) sent out from the sending roller 88 and the release paper U that has passed through the dryer HT2 on the upstream side are sandwiched between a pair of heat press rolls 89A and 89B. Send it downstream. Thereby, the base fabric TS is bonded to the adhesive layer PU2 formed on the release paper U. As a result, a dry synthetic leather sheet PU is formed.
  • the base fabric TS is a sheet material made of knitted fabric, woven fabric, nonwoven fabric, or the like.
  • the release paper U on which the dry synthetic leather sheet PU has been formed is transported downstream by transport rollers 91A, 91B, 91C, and 91D, and is wound up and collected by the winding roller 92.
  • the release paper U may be removed from the dry synthetic leather sheet PU after being collected by the take-up roller 92.
  • a dry synthetic leather (resin) sheet PU having the same effects as the first embodiment can be obtained.
  • the coffee grounds powder CP produced in the grinding step S1 is mixed with the polyurethane resin solution T1 in the mixing step S11, but the present invention is not limited to this.
  • the coffee grounds powder CP produced in the grinding step S1 may be mixed with the polyurethane resin solution T2 instead of the polyurethane resin solution T1.
  • the coffee grounds powder CP produced in the grinding step S1 may be mixed into both the polyurethane resin solution T1 and the polyurethane resin solution T2.
  • the manufacturing method according to the present invention is not limited to the vegan leather manufacturing method 10 and the dry synthetic leather sheet manufacturing method 80 described above, but may be realized as a wet synthetic leather sheet manufacturing method.
  • a mixed solution obtained by mixing the coating liquid (polyurethane resin solution) with the coffee grounds powder CP produced in the grinding step S1 described above is used.
  • a wet synthetic leather sheet or a wet artificial leather sheet having the following effects can be obtained.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

Le problème à résoudre par la présente invention est de fournir : un procédé de production d'une feuille de résine, le procédé permettant d'atteindre une amélioration de la résistance à la traction ; un cuir en PVC ; et un cuir végan. La solution selon l'invention concerne un procédé (10) de production d'un cuir végan comprenant : une étape de pulvérisation S1 dans laquelle du marc de café est pulvérisé à l'état congelé pour produire une poudre ; une étape de malaxage S3 dans laquelle la poudre produite à l'étape de pulvérisation S1 est mélangée avec une résine PVC brute produite au cours d'une étape de régulation S2 pour obtenir un mélange de matières premières ; et une étape de laminage S4 dans laquelle le mélange de matières premières obtenu à l'étape de malaxage S3 est traité pour obtenir un matériau en feuille.
PCT/JP2022/037929 2022-06-30 2022-10-11 Procédé de production de feuille de résine, cuir pvc et cuir végan WO2024004228A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN202280005198.5A CN117693548A (zh) 2022-06-30 2022-10-11 树脂片的制造方法以及聚氯乙烯皮革、纯素皮革
JP2022573551A JP7387127B1 (ja) 2022-06-30 2022-10-11 樹脂シートの製造方法、および樹脂シート
KR1020227042035A KR20240003693A (ko) 2022-06-30 2022-10-11 수지시트의 제조방법 및 염화비닐레더, 비건레더
JP2023042390A JP2024006946A (ja) 2022-06-30 2023-03-16 樹脂シートの製造方法、および、塩ビレザー、ヴィ―ガンレザー

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JP2022105549 2022-06-30
JP2022-105549 2022-06-30

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56129157A (en) * 1980-03-15 1981-10-09 Hiroshi Takaoka Molded body using used coffee grounds as main material and production thereof
JPH05277460A (ja) * 1991-06-15 1993-10-26 Unie Kafue:Kk コーヒー残渣組成物
JPH10314286A (ja) * 1997-05-15 1998-12-02 U C C Ueshima C0Ffee Kk 塩基性悪臭ガス吸着剤入りシート材
JP2000264734A (ja) * 1999-03-17 2000-09-26 Nihon University 湿潤状態の植物絞り滓を用いた固形炭化物及びその製造方法
JP2010121002A (ja) * 2008-11-18 2010-06-03 Sanyo Chem Ind Ltd スラッシュ成形用樹脂粉末組成物及び成形品
JP2010121003A (ja) * 2008-11-18 2010-06-03 Sanyo Chem Ind Ltd スラッシュ成形用樹脂粉末組成物及び成形品
JP2015511648A (ja) * 2012-03-13 2015-04-20 テックスチェム ポリマーズ エスディーエヌ ビーエイチディー 農業廃棄物から得られる熱可塑性デンプン組成物
JP2015073462A (ja) * 2013-10-08 2015-04-20 大阪瓦斯株式会社 食味強化用コーヒー粉末の製造方法及び食味強化用コーヒー粉末
JP7138980B1 (ja) * 2021-05-06 2022-09-20 株式会社冨田商店 樹脂組成物、接着剤、樹脂成形品及び樹脂成形品の製造方法

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56129157A (en) * 1980-03-15 1981-10-09 Hiroshi Takaoka Molded body using used coffee grounds as main material and production thereof
JPH05277460A (ja) * 1991-06-15 1993-10-26 Unie Kafue:Kk コーヒー残渣組成物
JPH10314286A (ja) * 1997-05-15 1998-12-02 U C C Ueshima C0Ffee Kk 塩基性悪臭ガス吸着剤入りシート材
JP2000264734A (ja) * 1999-03-17 2000-09-26 Nihon University 湿潤状態の植物絞り滓を用いた固形炭化物及びその製造方法
JP2010121002A (ja) * 2008-11-18 2010-06-03 Sanyo Chem Ind Ltd スラッシュ成形用樹脂粉末組成物及び成形品
JP2010121003A (ja) * 2008-11-18 2010-06-03 Sanyo Chem Ind Ltd スラッシュ成形用樹脂粉末組成物及び成形品
JP2015511648A (ja) * 2012-03-13 2015-04-20 テックスチェム ポリマーズ エスディーエヌ ビーエイチディー 農業廃棄物から得られる熱可塑性デンプン組成物
JP2015073462A (ja) * 2013-10-08 2015-04-20 大阪瓦斯株式会社 食味強化用コーヒー粉末の製造方法及び食味強化用コーヒー粉末
JP7138980B1 (ja) * 2021-05-06 2022-09-20 株式会社冨田商店 樹脂組成物、接着剤、樹脂成形品及び樹脂成形品の製造方法

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