SA110310720B1 - Method for Treatment of A Semimanufactured Product Made of Leather or Fabrics Similar to Leather and Item Resulting Thereof - Google Patents

Abstract

Abstract: The present invention is concerned with a method for processing a semi-manufactured product of leather or a similar material, and the aforementioned method includes the steps: - supplying the semi-manufactured product to be treated, - preparing treatment solution including binder solution and silver silver in granules, - the use of the aforementioned treatment solution for at least one surface of the aforementioned semi-manufactured product to be treated. The aforementioned binder solution includes natural proteins in an aqueous solution. The invention also relates to the material (item) produced from the semi-manufactured product of leather or similar material treated by the aforementioned method.

Description

Method for treating a semi-manufactured product made of leather or fabrics similar to leather and item resulting thereof Full description

invention background

The present invention, Aska, specifies a pid) method treatment of a semi-manufactured product made of leather (5) and the like, and the material (item)

0 manufactured from the semi-finished product processed according to this method.

© The present invention aims in particular to treat leather or imitation leather used to produce materials that are at least partially in contact with the skin of the end user (Lskin end user). coats) “clothing (jackets, coats) shoes cfootwear watch straps alse cwatchstraps small leather items (bags and parts thereof and 0 socks (wallets and body covers with Nature Objects various nature Jie coverings eyewear seat coverings (i.e. cars) or the like. Naturally like.

Naturally this list is provided by non-exhaustive example. One of these requirements is for the use of leather and synthetic leather in similar products to ensure a high degree of user comfort. Not only should leathers be soft© and comfortable, but they also ensure a high degree of water vapor permeability Lexie Cua vapor permeability The skin is in contact with human skin that does not cause sweating produced by The user has an unpleasant feeling when the item is worn Al 1 1

. Another requirement is to limit the production of unpleasant odors caused by the sweating of the user. This requirement is particularly important in the footwear sector. Cus footwear sector. Unpleasant odors frequently occur as a result of the perspiration produced by the user's feet when he wears footwear 1. In order to overcome the aforementioned obstacles, it is known that Silver has anti-mold properties, deodorant and antibacterial properties, and it can be used for this purpose in body deodorants. Various methods have been proposed to use and fix silver in powder form. to flog. He suggested dipping powdered silver in synthetic resins. Powdered silver synthetic 188108 | 0 and then resins are used for the leather on any Ja this solution has a drawback (le solution) by making synthetic resins a thin layer thick, synthetic resins relatively thick and heavy, Laws on the leather, which is often Completely waterproof surface leather as a result of reduced breathability Also the presence of these thin films reduces the natural look of the death leather therefore which has a low reputation 1 for commodities. bury powdered silver in acrylic paints 5 or PVC ¢ but this Lad solution has barriers corresponding to those indicated (Ad) previously. Also, the use of industrial chemical products, synthetic chemical products, has an obstacle, al, further drawback 0, to the complex of disposal of production residues; And with the high environmental impact Aull party

¢ GENERAL DESCRIPTION OF THE INVENTION The problem therefore within the present invention is to provide a method of treating skin (or similar material) which is capable of at least partially overcoming the impediments mentioned with reference to the foregoing method.

0 in particular; The implied problem of the present invention is to provide a method for processing Aad leather or similar materials capable of providing a high degree of dail and Je level of HB breath and to reduce odors causing odors in perspiration. From ala User user's .skin Detailed description

0 The other objective of the present invention is to provide a method for treating leather or similar materials with limited environmental impact. These goals and objectives (AY) are accomplished by a method for treating a semi-finished product made of leather or material. The likeness according to claim No. 1 and by the material produced according to this method according to claim no. Ye Dependent claims define potential benefits cli method material according to the invention. For a better understanding of the invention and its benefits, some of the unlimited examples of representations are described below. The method according to the present invention is intended for leather processing; Any in particular leather 0 types are different; and (Sey oS] to use in dallas fibers similar to leather Jie leather artificial leather Limitation leather in the present description; the reference will be accomplished by way of an example of ironing

Disguise and skin Ys The method according to the invention includes; The step that provides the semi-finished product to be processed. For example, this semi-manufactured product can include leather before dyeing it with known procedures.

oo Semi-finished product processing occurs through the use of the same application; according to which procedures to be described; For a special treatment solution prepared according to special procedures. Ja treatment solution is not necessary for a complete semi-finished product ‎product 5©0010180012610760», but it is better only for one surface of it. in other words »; Treating

0 only one side leather with the method according to the environment. In this way the treatment is confined to a part of the skin «© 1 Distributor to bring into contact with the user's skin in Alls footwear The treated surface is confined to the basal part of the user's foot that will therefore come into contact with it. in Alla watch strap 005080”; The treated surface- is the inner surface of the watchstrap, i.e. the surface that vo comes into contact with the user's wrist. The skin user's wrist includes a treatment solution to be used for the semi-factory product. The binder solution is based mainly on natural proteins in the aqueous solution and silver in the granules. The natural proteins used in the binder solution can be solution Ye is of a different kind. It is better; To choose from the group consisting of casein “ccasein” “egg albumin” “blood albumin” .blood albumin 1 1

The preferred binder used in the solution is any casein for any condition as it has the ability to absorb moisture (which can, for example, be derived from foot perspiration) when a semi-finished product is used to make footwear. about the phosphoprotein that can be obtained from milk through appropriate treatment processes (such as pressure, fermentation, acidification) moreover; it is also possible to use The mixture containing one or [SS] of the said natural proteins in order to give the special properties of the treated skin with the method according to the invention. Casein 0 with albumin In fact, this combination allows for a thin layer that is shiny enough to be applied to the leather. These additives may include one or more of the following additives: clinseed mucilage cellulose derivatives cderivatives 0 such as carboxymethyl cellulose gelatin cgelatin shellac soapy materials .s0aps Linseed mucilages and cellulose derivatives give a high filling capacity of thin films on the skin .eather Gelatin gives the skin © soft handle And a pasty texture “0” gives lacquer a bright and homogeneous leather. homogeneity in the form of a cade. The binder solution contains the appropriate plasticizers, y elasticity and elasticity for a film fragility stiffness in order to reduce hardness suitable when used for leather ©1680:6. It is better to choose protein solution film alcohols sodium sulphoricinate plasticizers from the group of sodium sulfuricinate natural oils eglycerines glycerines glycols higher alcohols -natural waxes natural waxes Natural Waze © castor is possible, for example using natural oil as natural oil 111601117 sulfonation for sulphonation treatment of medium or vegetable animal of animal origin natural waxes candles can be Natural .vegetable that extracts carnauba You can choose vegetable waxes from the group consisting of carnauba 0 and “montan (isl “Brazilian carnauba plant) from the leaves of the Brazilian carnauba plant, which extracts candelilla extracted from Marsh Charcoal Allegiant 118014 Candelilla -Mexican plant mainly from Mexican stem Can choose plant waxes instead from the group composed of secretions from insects sebaceous glands secretions beeswax secretions fieions secret from insects | 0 of 50610005 extracted fie sebaceous glands or sperm whale Jie adipose tissues mammals -whale sal) aqueous solution in aqueous solution natural proteins is The use of natural proteins for the skin has many benefits. Premium chemical solvents Nf

A

on it; The materials produced from semi-finished products guarantee processing with the method according to -high ecological quality standards. The invention ensures high environmental quality standards. The possibility of allergy is natural proteins. end user The end user is low. 0 is an aqueous binder solution. The other benefit associated with using a water-based binder solution is “shiny and transparent finishes” and “transparent” Jas On the possibility of producing fine finishes to retain the ability of permeability to natural water vapor, while offering a high degree of leather that allows leather comfort. Moreover, the anti-septic properties of silver increase the ability to immerse in the substance. vapor permeable substance The basic permeable vapor is 0. It is preferable to binder solution anionic charge. The binder solution has an anionic charge cate in the form of casein in the binder solution. It is preferable that the ratio of casein oA is about pH pH

Joh and even better equal to about 1 - + between the binder solution used is the named binder solution according to the representation; The binder solution is .S.L.C. 10160130002177 and manufactured by (Hydrofin TU™ Ve granules) for the treated solution pure granules silver granules it is better to include silver granules according to the possible representation » be substantially pure silver or pure silver less than Or equal to grain size in the treatment solution, granules silver granules silver for silver granules 01 less than grain size 0010:005 micron. It is better; (Jaina) According to the representation microns microns Ye .microns microns 1 less than grain size granules silver

The preparation of a treatment solution from a binder solution and silver granules with the aforementioned properties includes a series of successive steps. Mix the binder solution and the silver granules (ae) in a ratio of 10:1 (ae) ratio of daly parts of powdered silver and 10 parts of the binder so distribution of dad in the solution The binder solution is then mixed with the obtained suspension until obtaining a homogeneous paste, essentially homogeneity. It is better; To add water successively to the dough and so on, and thus obtain it; In this way, to obtain a diluted solution. according to the preferred representation; Water is added in an amount of 0, so that the treatment solution for silver granules reaches a concentration between - VY g / liter, and it is better equal to 01 g / liter. The obtained solution is then kept under stirring; For example with Clie blade. Preferably the maintenance speed is between Yoo — You rpm; And it is even better to a degree more equal to 00 rpm. Vo when the treatment solution has been prepared according to the described procedures; The treatment method includes the step of using a treatment solution of a semi-finished product to be treated; In particular for the intended surface to come into contact with the end user skin user 600 La, to the potential representation "treatment solution is used by spraying" and preferably Yo by means of compressed air guns compressed air guns It is best to keep the spray pressure between 1.4 - 7 atmospheric pressure. The use of these pressures ensures accuracy during application and ve makes it possible to confine the phenomenon of back-hopping solution to the surface of a Lia-like product that is lost through the back-hopping treatment solution of a plant. Therefore, the amount of treatment solution is very low for the benefit of production economy. Had nozzles through the hoses treatment solution is better; The curing solution is sprayed mm approx. in words 0.8 mm; Even better, it is much equal to about VT - 0,5 between © and low pressure treatment solution. volume High volume Leather treatment (eg when using dyes). Automatic treatment solution Preferably; To complete the step to use the special treatment solution; Semi-finished products are transported on a conveyor belt and when all of them are at any 0 close to the spray guns; And the special sensor means that it detects its presence in the correct position and then sends the appropriate signals to the control processor that activates the spray guns; And its hoses open -nozzles according to many treatment solution usefully the step occurs in order to use the treatment solution dain of successive applications. according to representation 1 - 56 in the four consecutive uses; And each of them uses between treatment solution surface semimanufactured for the surface of the semi-manufactured product, Yo / g of treatment solution, 0 treatment solution. The used Oo / gm is equal to that at the end of four use processes.” Therefore, the solution is semimanufactured product | 0 surface Of the semi-manufactured product surface.

the semimanufactured product which is according to the preferred representation; And the scenery? g of

Semimanufactured product Ya / granules of silver

to be treated.

The Lad curing method according to the invention includes the step of fixing a treatment solution© to the surface of a semi-manufactured product 5011866.

The stabilization step has the purpose of not dissolving the natural proteins of the binder solution

0 »; Cus makes them swell less in the water and so July gets you flies

wet treatments

who is better The installation step of Wh to aad occurs from successive installations

fixing 006181005 | 0 91106655176. In particular, each use process is attached to the appropriate installation process in order to fix the treatment solution used in Adee for the special use of the surface semi-manufactured product. all and each appends one of the four usages described earlier.

0 According to the possible representation, each of the fixing operations includes the use of the base material to fix the surface of the semi-manufactured product (in which the treatment solution was previously used). From gat (Jail the basic material adil on aldehydes suitable for covalent bonding with natural proteins to binder solution 5) treatment solution

(treatment solution 0) In particular, according to the preferred representation; the fixing substrate contains a glyoxal which is suitable for the covalent binding of casein 288610.

VY

- In the base material for stabilization in a percentage between?

Joo according to the acting. The method according to the invention includes a step to dry the semi-manufactured product. It is preferable that the drying step includes several drying processes. In particular; 2 The drying step includes many drying operations, each of which is performed later with special utilization operations, and several drying operations, each of which is performed later with special operations, in order to semi-manufactured the semi-manufactured product. product sernimanufactured product. Individual drying operations can be carried out by placing the semi-finished product 0 drying in an environment that has a previously manufactured drying temperature, for example in a drying oven, degrees Celsius, and from 70 - 500 degrees, it is better to be The drying temperature between Loven Much Better is approximately 560°C. It is preferable that the period of drying operations vary from seconds. In particular; Drying process times choose ironing processes 0 - 40 cm; While leather la als operations are taking place on a treatment solution, use the treatment solution 1 while it is still slightly damp. In reality; In this method, Lain leather bonding to the leather makes the base material for fixing to work in the depths rather than on the outer surface of the leather. For this

Yo purpose; It is preferable that drying processes following application processes have a period of about ½ seconds; While it is preferable that the subsequent drying processes have a fixation period of about seconds. For example, a step can be obtained by using heated cylinders that press the semi-finished product on the treated side. This allows with a high level of polishing and gloss to be obtained. leather Processing of treated leather according to the semimanufactured product Beneficially the product can use the semi-manufactured shoe clothing Jie special clothing material soll) the procedures described for making a small leather article cwatchstrap Hel aly footwear eyewear covering for objects o(purse wallet) or the like. It is possible to treat the surface of the semi-manufactured product, cfootwear, for example, with reference to the shoe intended to be brought into contact with the user's foot, with the method according to the invention. Certified “semimanufactured product” as a result of the treatment the semi-manufactured product was subjected to. The shoe is soft, ala, it is an aqueous binder solution, mainly based on the aqueous binder solution, and flexible in addition to its ability to vent sufficiently. In addition, the presence of granules is limited Silver granules silver 05, antibacterial and foot due to the antiseptic reducing odor-preventing action silver for distributed silver. Unpleasant odors obtain isotopic effects naturally also in other types of material intended for endurance with the perspiration of the user. leather prepared for contact with the skin 0 from the previous description; Experts in the field can estimate how with the method according to the invention it is 71 1

Vi is likely to be obtained from skins (or similar materials) and therefore materials to ensure a high degree of good for the organism; and each of them by way of softness and comfort; And by reducing -unpleasant odors lu more natural proteins; Experts in the field will appreciate how the use of natural proteins ensures a low environmental impact of the process and minimizes the risk of reactions. Leather has a very natural appearance. dyes and pigments 5 .appearance and aqueous binder solution Mixing the 48S water binder solution will finally be appreciated by experts in the field Ve and supply ddheather specifically when used for Je powdered leather silver crushed silver products with a high level of perspiration permeability and the ability to trap the occurrence of unpleasant odors -unpleasant odours for the purpose of satisfying its special requirements; Those skilled in the art will be able to make numerous modifications or semimanufactured additions to previously described representations of a method for processing a semi-finished product 1 and of a similar material or leather product with the semi-finished product processed accordingly. to this method; Or to replace the item produced operators with other functionally equivalent operators without leaving the scope of the appended claims in any case.

Claims (1)

M Aslan) alice semi manufactured product method treatment method - 1 1 The aforementioned method includes cimitation leather or artificial leather. From leather: Steps ov; - - supply the semi-manufactured product for treatment; 0 - prepare treatment solution including binder solution and silver in granules « =v put treat solution The aforementioned treatment solution for at least one surface of the aforementioned semi-manufactured product A is gelled, where the aforementioned binder solution 4 includes natural proteins in an aqueous solution .solution Ye proteins where proteins include 0 according to claim number method ? - Method 1 p and/or the aforementioned albumin and/or the egg albumin casein "blood albumin 0 1" © - method according to Claim No. 1 or oY, where the aforementioned binder solution ¥ includes plasticizers for natural proteins and ov. The aforementioned plasticizers are chosen from the group consisting of sodium sulphoricinate ~~ ¢ Higher alcohols © glycols Glycerines cglycerines Natural oils cnatural oils animal waxes ARRAY It has been selected from the group consisting of secretions secretions insects cinsects secretions secretions vy sebaceous glands 5 sebaceous secretions extracted from the subcutaneous fat layer tissue vegetable waxes and plant waxes cmammals of mammals secretions extracted adipose tissues A amontan wax (lise selected from the group composed of carnioba wax 8 © _ wax q .candelilla 0 0 4 - method according to any one of the claims (Ail) where the solution includes The aforementioned binder solution Other additives selected from the group consisting of “ »| flaxseed mucilage linseed mucilage cellulose derivatives gelatin ¢ shellac dac soaps . © - the method according to any one of the claims GLY where the JA proteins are present with the ratio of the aforementioned binder solution in the binding solution natural proteins 0 1 0 - the method According to any one of the previous claims, where the x binder solution prior SA has an anionic charge and has a pH .pH=A v 0 * - method according to any one of the AR claims where the silver ©5110 in granules has a grain size less than or equal to 10 microns .microns Satisfy B 1 8 - The method according to any one of the previous claims. Where 750 of the "silver granules" AGL granules silver, male, granular size of 1 micron, is 11100115. 1 4 - Method 00 according to any one of the AGL protection elements, as it includes the aforementioned step ¥ for preparing the treatment solution treatment solution on the steps: v - providing binder solution ¢ providing binder solution; - - providing silver in granules ¢ - mixing binder solution and silver in granules > - Mixing the mixing binder solution and silver in the granules until Vv to obtain basically the homogeneous paste. 01 1 - the method according to the claim AL, where the aforementioned step also includes the preparation of the treatment solution, adding water to the aforementioned paste oy. 11 1 — method according to the preceding claim; Cua Water is added in the amount of Cua Y silver arrives in granules at a concentration of 01 g / liter. 11 1 - method (according to any one of Claims No. 4 - VY), where the aforementioned step for preparing the treatment solution includes the step of keeping the aforementioned paste under Cy YA, where the aforementioned step is performed in order to call) according to the element of protection method The method - 1 roll 01 under stirring using a motor at the speed of treatment solution saves the treatment solution oy . minute / 14 1 - The method according to any one of the previous claims, where the aforementioned step 0 includes placing a treatment solution on the product. semi-manufactured 00006 + to treat spray treatment solution prior ;; The mention on the surface of the semi-manufactured product 105 0 — Ga method to Cus Ail) treatment solution sprayed 0 is sprayed onto the semi-manufactured product at a pressure of 0 + 4 mb - no atmospheric pressure. 01 0 - method according to Claim No. VE or 10 in which the curing solution x 0880001 is sprayed through the nozzles of 0,8 mm in diameter. 17 0 - The method according to any one of the Ald claims, where the aforementioned vy step in order to use the treatment solution includes several “+ subsequent” operations to treat the solution on at least one surface of a product semi-manufactured; product to be processed. yyy vq VA 7 - method according to the previous claim. Where the aforementioned step ¥ includes the use of a treatment solution for a semi-manufactured product, [0000m] to treat four operations consecutive use of many operations + consecutive use mentioned above. Vy - method according to Claim No. 117 or OA where each of the 0 operation operations of the aforementioned application Jie use 20 g of treatment solution M7 + for one surface At least for a semi-manufactured product 70 0 - The method according to any one of the protection elements AB also includes step 0 Stabilization of the treatment solution used for at least one of the aforementioned surfaces v for a semi-manufactured product for processing. YY 0 - method according to the previous claim when you depend on any one of the claims of number VY - 14 where the aforementioned installation step involves many + installations; And that each Adee installation is one of the many installations mentioned above; The succession of the aforementioned application process for the use processes. YY 0 - method according to claim No. 71 or 71 where the aforementioned gy fixing operations include the use of at least one aforementioned surface of a semimanufactured v product To fix the basic substance 00?? - the method according to the previous claim; ge the aforementioned "human" life for fixation on aldehydes suitable for the covalent bonding of aldehydes with natural proteins Tv aforementioned for the binder solution Yi 0 - the method according to Claim No. 17 or 77 Where the aforementioned base material - the fixation contains glyoxal 70 «21A» and it is better in the ratio between? Drying step of the semi-manufactured product YT - the method according to the protection element ARLYN, where the aforementioned drying step includes many successive drying processes for the many uses, especially the aforementioned 1 and the above-mentioned application processes, and several processes Successive drying for special fixing operations 1 of several aforementioned fixing operations YY 00 — the method according to the previous claim, where each of the aforementioned Y drying operations includes a step to place the semi-finished product semimanufactured product 1 to be treated in the environment at 40 degrees Celsius for a period between 50 - 00 seconds. 1 YA 1 — method according to any one of the preceding claims. Including the buffing step 1, preferably by hot stretching. 1 4 - Produced material 11600 of the semi-manufactured product made of 1 leather or similar material treated with the method according to any © 1 - produced item item according to former protection; Where one surface is arranged on at least Y of a semi-manufactured product in the preceding material SA in the position to contact the skin material used in the conditions of use for it.