US1833471A - Coated fabric and method of preparing same - Google Patents

Coated fabric and method of preparing same Download PDF

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Publication number
US1833471A
US1833471A US218577A US21857727A US1833471A US 1833471 A US1833471 A US 1833471A US 218577 A US218577 A US 218577A US 21857727 A US21857727 A US 21857727A US 1833471 A US1833471 A US 1833471A
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Prior art keywords
coat
fabric
bituminous
varnish
coated fabric
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Expired - Lifetime
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US218577A
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Arthur N Parrett
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EIDP Inc
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EI Du Pont de Nemours and Co
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Priority to US218577A priority Critical patent/US1833471A/en
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Publication of US1833471A publication Critical patent/US1833471A/en
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Classifications

    • 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
    • D06N5/00—Roofing materials comprising a fibrous web coated with bitumen or another polymer, e.g. pitch
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2555/00—Characteristics of bituminous mixtures
    • C08L2555/30—Environmental or health characteristics, e.g. energy consumption, recycling or safety issues
    • C08L2555/34—Recycled or waste materials, e.g. reclaimed bitumen, asphalt, roads or pathways, recycled roof coverings or shingles, recycled aggregate, recycled tires, crumb rubber, glass or cullet, fly or fuel ash, or slag
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2555/00—Characteristics of bituminous mixtures
    • C08L2555/40—Mixtures based upon bitumen or asphalt containing functional additives
    • C08L2555/50—Inorganic non-macromolecular ingredients
    • C08L2555/54—Sulfur or carbon black
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2555/00—Characteristics of bituminous mixtures
    • C08L2555/40—Mixtures based upon bitumen or asphalt containing functional additives
    • C08L2555/60—Organic non-macromolecular ingredients, e.g. oil, fat, wax or natural dye
    • C08L2555/62—Organic non-macromolecular ingredients, e.g. oil, fat, wax or natural dye from natural renewable resources
    • C08L2555/64—Oils, fats or waxes based upon fatty acid esters, e.g. fish oil, olive oil, lard, cocoa butter, bees wax or carnauba wax
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2555/00—Characteristics of bituminous mixtures
    • C08L2555/40—Mixtures based upon bitumen or asphalt containing functional additives
    • C08L2555/60—Organic non-macromolecular ingredients, e.g. oil, fat, wax or natural dye
    • C08L2555/70—Organic non-macromolecular ingredients, e.g. oil, fat, wax or natural dye from natural non-renewable resources
    • C08L2555/74—Petrochemicals other than waxes, e.g. synthetic oils, diesel or other fuels, hydrocarbons, halogenated or otherwise functionalized hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
    • C08L91/02—Vulcanised oils, e.g. factice
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D195/00—Coating compositions based on bituminous materials, e.g. asphalt, tar, pitch
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/904—Artificial leather
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31815—Of bituminous or tarry residue
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2352—Coating or impregnation functions to soften the feel of or improve the "hand" of the fabric

Definitions

  • the invention relates to a fabric coating composition and a method of preparing the same, and more particularly to a fabric coating composition utilized in the production of artificial leathers suitable. for automobile tops, automobile trimmings, upholstery, lugin cost and very liable to cold crack. T e
  • An object of the present invention is to provide a fabric coating composition, which contains a large percentage of bituminous material, and which is free from the objections of the prior art.
  • Another object of the invention is. to pro--za an artificial leather which is flexible and has a calendered surface capable of serving as a satisfactory base for the varnish top coat.
  • a further step is introduced, which consists in applying a top varnish coat to the calender coat befor baking.
  • An important feature of the prese r lt invention isthe novel composition of the calender coat, which contains, in addition to the bituminous material, various modifying agents which 'will be more fully described and specified hereinafter.
  • the materials making up the bituminous calender coat are mixed or combined in a rubber mill or mixing machine in a similar manner to that ordinarily used in mixing rubber compositions.
  • the composition is calendered out on the particular base to be used.
  • the calender coated material may be embossed, if desired, and thereafter varnished, after which it is baked at a temperature suflicient to soften and season the bituminous material and to bring about vulcanization in those cases wherein the composition contains vulcanizable products.
  • the goods are ordinarily fes'tooned in a chamber pro- I vided with heat such as a vulcanizing chamber.
  • the present invention contemplates forming the calender coat principally of one or more bituminous materials such as stearin pitch, asphalt, petroleum flux and the like, the bituminous content of the calender coat ranging from thirty to eighty per cent of the composition.
  • bituminous materials such as stearin pitch, asphalt, petroleum flux and the like
  • various agents such as an indurator, a softener and a filler may be employed.
  • the purpose of the indurating agent is to harden and toughen the composit1on.
  • organic vulcanized materials such as vulcanized rubber, or a vulcanized oil, for instance factis, may be used.
  • Vulcanizable products such as rubber, vegetable oil, drying oil, together with a vulcanizing agent, for example, sulfur or sulfur with an accelerator may be employed.
  • These indurating agents may be used separately or in combination and they are normally used in a proportion not exceeding the bituminous material etc.
  • the proportion of of the composition In fact,-it is preferable to use the indurating agents in a proportion between 10 and 100 parts of indurating agent per 100 parts of bituminous material.
  • Fillers are added to the composition for the purpose of toughening the calender coat K and reducing the cost.
  • Finely divided solid materials which are stable at the temperature of operation, such as whiting, lithopone, lime flour, litharge, iron oxide, carbon black, etc., are suitable for this use.
  • fibrous materials for example, asbestos, cotton linters, wood pulp and the like, may be used, the filler being used in a proportion between 15 to'150 parts per 100 parts of bituminous material. 1
  • An oil varnish or an asphalt varnish, or a varnish containing both drying oil and asphalt may be used as a varnish coat. It is particularly advantageous to use an asphalt which softens at the baking temperature. In some cases one coat of drying oil varnish and a top coat of asphalt varnish may be used. However, the present invention isnot limited ;to a product having a varnish coat, and it has been found that a superior product may be produced merely by calendering a. bituminous composition such as has been described, on .to
  • the backing or base fabric may be any suitable material having the necessary strength and flexibility,- for instance, felt, cloth or paper.
  • the vulcanizing chamber is heated to the proper temperature which, in this case, is about 123 C. and is maintained at this temsoftening agent used is generally from 3 to 15 parts per 100 parts ,coat of black, drying oil varnish to the calendered embossed material before applying the final coat of asphalt varnish.
  • this temsoftening agent used is generally from 3 to 15 parts per 100 parts ,coat of black, drying oil varnish to the calendered embossed material before applying the final coat of asphalt varnish.
  • Bituminous material Stearin pitch 0 Blown petroleum flux Indurating agent Smoked sheets A very desirable coating has been prepared by mixing together from 10 to 100 parts of the indurating agent, from 3 to 15 parts of the softening agent and from 15 to 150 parts of the filler to each 100 parts-of the bituminousmaterial, the bituminous material ranging from 30 to 80 per cent of the whole composition.
  • the coated fabric of the present invention has the advan tage of low cost and long life especially under usage involving exposure to severe conditions of heat, cold, and direct sunlight.
  • the bituminous calender coat as described has an advantage over known compositions for coating artificial leather, in that this calender coat provides a greatly improved support for any of the varnishes commonly used for finishing.
  • a flexible fabric having a calender coat containing an indurating agent, a larger proportion of bituminous material than indurating agent, a softening agent and a filler and a varnish coating thereover.
  • the method of producing a coated fabric which includes the steps of mixing together an indurating agent, a larger amount Parts of bituminous materlal than indurating agent, a softening agent and a filler, coating.
  • the method of producing a coated fabric which includes the steps of mixing together an indurating agent, a larger amount of bituminous material than indurating agent, and a softening agent, coating a fabric backing with said mixture, festooning the coated fabric, and heating the said coated fabric'to a temperature of above 100 C. but below the decomposition point of the said mixture.
  • the method of producing acoated fabric which includes the steps of mixing together 100 parts bituminous material, 10 to 100 parts indurating agent, 3 to 15 parts softening agent and 15 to 150 parts filler, applying said mixture to a fabric, festooning the coated fabric, and subjecting the coated fab ric to a temperature sufiicient to bake but not decompose said mixture.
  • the method of producing a coated fabric which includes the steps of forming a mixture of an indurating agent, a larger amount of bituminous material than indurating agent, a softening agent and a filler, ap-

Description

, Patented Nov. 24, 1931 UNITED STATES PATENT OFFICE ARTHUR H. BARRETT, OF WILMINGTON, DELAWARE, A SSIGNOE TO E. I. DU IONT DE NEMOURS 86 COMPANY, OF WILMINGTON, DELAWARE, A CORPORATION OI DELA- WARE- No Drawing.
The invention relates to a fabric coating composition and a method of preparing the same, and more particularly to a fabric coating composition utilized in the production of artificial leathers suitable. for automobile tops, automobile trimmings, upholstery, lugin cost and very liable to cold crack. T e
rubberized fabrics have been found to be poor bases for the varnish top coat with which it is customary to finish automobile tops. This is probably due to the difference in the elasticity of the rubber and the varnish. Pyroxylin coated fabrics have the drawback of requiring a number of coatings to give the required thickness, each coat having to be dried separately. Bituminous coated fabrics containing more than small amounts of the bituminous material have heretofore been avoided because such compositions were found to give a stiff, brittle product subject to cold cracking.
An object of the present invention is to provide a fabric coating composition, which contains a large percentage of bituminous material, and which is free from the objections of the prior art.
Another object of the invention is. to pro-- duce an artificial leather which is flexible and has a calendered surface capable of serving as a satisfactory base for the varnish top coat.
These objects are attained by my invention,
which produces an artificial leather suitable for the purposes named, by applying to a flexible fabric backing a calender coating composition containing bituminous. material as its principal ingredient, and baking the coated fabric at a temperature above 100 C.
COATED FABRIC AND METHOD OF PREPARING am Application filed September 9, 1927. Serial No. 218,577.
and below the decomposition point of the ingredients In some instances a further step is introduced, which consists in applying a top varnish coat to the calender coat befor baking. An important feature of the prese r lt invention isthe novel composition of the calender coat, which contains, in addition to the bituminous material, various modifying agents which 'will be more fully described and specified hereinafter.
' In carrying out the present invention, the materials making up the bituminous calender coat are mixed or combined in a rubber mill or mixing machine in a similar manner to that ordinarily used in mixing rubber compositions. After mixing, the composition is calendered out on the particular base to be used. Subsequently, the calender coated material may be embossed, if desired, and thereafter varnished, after which it is baked at a temperature suflicient to soften and season the bituminous material and to bring about vulcanization in those cases wherein the composition contains vulcanizable products. For the baking operation the goods are ordinarily fes'tooned in a chamber pro- I vided with heat such as a vulcanizing chamber.
More in detail, the present invention contemplates forming the calender coat principally of one or more bituminous materials such as stearin pitch, asphalt, petroleum flux and the like, the bituminous content of the calender coat ranging from thirty to eighty per cent of the composition. In order to modify the properties of the bituminous material, various agents, such as an indurator, a softener and a filler may be employed.
The purpose of the indurating agent is to harden and toughen the composit1on. For this action, organic vulcanized materials, such as vulcanized rubber, or a vulcanized oil, for instance factis, may be used. Vulcanizable products, such as rubber, vegetable oil, drying oil, together with a vulcanizing agent, for example, sulfur or sulfur with an accelerator may be employed. These indurating agents may be used separately or in combination and they are normally used in a proportion not exceeding the bituminous material etc. The proportion of of the composition. In fact,-it is preferable to use the indurating agents in a proportion between 10 and 100 parts of indurating agent per 100 parts of bituminous material.
For softening agents, I use, in general, that class of compounds ordinarily utilized for the purpose in rubber compounds, namely, petroleum, mineral oil, vegetable oil, rosin oil,
of bituminous material. v
Fillers are added to the composition for the purpose of toughening the calender coat K and reducing the cost. Finely divided solid materials which are stable at the temperature of operation, such as whiting, lithopone, lime flour, litharge, iron oxide, carbon black, etc., are suitable for this use. However, vided fibrous materials, for example, asbestos, cotton linters, wood pulp and the like, may be used, the filler being used in a proportion between 15 to'150 parts per 100 parts of bituminous material. 1
An oil varnish or an asphalt varnish, or a varnish containing both drying oil and asphalt, may be used as a varnish coat. It is particularly advantageous to use an asphalt which softens at the baking temperature. In some cases one coat of drying oil varnish and a top coat of asphalt varnish may be used. However, the present invention isnot limited ;to a product having a varnish coat, and it has been found that a superior product may be produced merely by calendering a. bituminous composition such as has been described, on .to
a suitable backing, and finishing by baking at a vulcanizing temperature.
The backing or base fabric may be any suitable material having the necessary strength and flexibility,- for instance, felt, cloth or paper.
The following is one example of the method of manufacturing artificial leather according to the present invention:
Two fabrics are combined with an adhesive rubber cement and upon the surface of this double fabric the following composition is calendered to a suitable thickness:
Bituminous composition N0. 1
Parts Bituminous material Stearin pitch 45 Blown petroleum flux 5 Indurating agent Reclaimed rubber 30 Sulfur 0.5 Softening agent Mineral oil 0.5 Filler h 10 Litharge 5 Lime flour 4 mg then' festooned in a vulcanizing chamber.
The vulcanizing chamber is heated to the proper temperature which, in this case, is about 123 C. and is maintained at this temsoftening agent used is generally from 3 to 15 parts per 100 parts ,coat of black, drying oil varnish to the calendered embossed material before applying the final coat of asphalt varnish. In this case, it is desirable to dry the first coat of varnish before the second is applied. This is accomplished by festooning the goods after applying the first coat of varnish and heating at a temperature and for a length of time sufficient to dr the varnish properly.
The fol owing are examples of variations of the bituminous coating composition which may be used in the above process according to the invention and which fall within the limits which I have already described:
Bituminous composition No. 2
Bituminous material Stearin pitch 0 Blown petroleum flux Indurating agent Smoked sheets A very desirable coating has been prepared by mixing together from 10 to 100 parts of the indurating agent, from 3 to 15 parts of the softening agent and from 15 to 150 parts of the filler to each 100 parts-of the bituminousmaterial, the bituminous material ranging from 30 to 80 per cent of the whole composition.
As compared with prior art products intended for similar purposes the coated fabric of the present invention has the advan tage of low cost and long life especially under usage involving exposure to severe conditions of heat, cold, and direct sunlight. In addition, the bituminous calender coat as described has an advantage over known compositions for coating artificial leather, in that this calender coat provides a greatly improved support for any of the varnishes commonly used for finishing.
laims:
1. A flexible fabric having a calender coat containing an indurating agent, a larger proportion of bituminous material than indurating agent, a softening agent and a filler and a varnish coating thereover.
2. The method of producing a coated fabric which includes the steps of mixing together an indurating agent, a larger amount Parts of bituminous materlal than indurating agent, a softening agent and a filler, coating.
a fabric backing with said mixture, festooning the coated fabric, and heating the said coated fabricto a temperature of above 100" C. but below the decomposition point of the said mixture. 7
3. The method of producing a coated fabric which includes the steps of mixing together an indurating agent, a larger amount of bituminous material than indurating agent, and a softening agent, coating a fabric backing with said mixture, festooning the coated fabric, and heating the said coated fabric'to a temperature of above 100 C. but below the decomposition point of the said mixture.
4. The method of producing acoated fabric which includes the steps of mixing together 100 parts bituminous material, 10 to 100 parts indurating agent, 3 to 15 parts softening agent and 15 to 150 parts filler, applying said mixture to a fabric, festooning the coated fabric, and subjecting the coated fab ric to a temperature sufiicient to bake but not decompose said mixture.
5. The method of producing a coated fabric which includes the steps of forming a mixture of an indurating agent, a larger amount of bituminous material than indurating agent, a softening agent and a filler, ap-
plying said mixture to a fabric, festooning the coated fabric, and heating said coated fabric to a temperature of above C., but below the decomposition point of the said mixture, for a period of 2% hours.
In testimony whereof, I aflix my signature.
ARTHUR N. PARRETT.
US218577A 1927-09-09 1927-09-09 Coated fabric and method of preparing same Expired - Lifetime US1833471A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190119498A1 (en) * 2015-02-27 2019-04-25 Cargill, Incorporated Rejuvenating compositions for asphalt applications & methods of manufacturing the same

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190119498A1 (en) * 2015-02-27 2019-04-25 Cargill, Incorporated Rejuvenating compositions for asphalt applications & methods of manufacturing the same
US20190119497A1 (en) * 2015-02-27 2019-04-25 Cargill, Incorporated Polymerized oils & methods of manufacturing the same
US20190127584A1 (en) * 2015-02-27 2019-05-02 Cargill, Incorporated Polymerized oils & methods of manufacturing the same
US11787945B2 (en) 2015-02-27 2023-10-17 Cargill, Incorporated Polymerized oils and methods of manufacturing the same
US11898037B2 (en) * 2015-02-27 2024-02-13 Cargill, Incorporated Rejuvenating compositions for asphalt applications and methods of manufacturing the same
US11905415B2 (en) * 2015-02-27 2024-02-20 Cargill, Incorporated Polymerized oils and methods of manufacturing the same
US11905416B2 (en) * 2015-02-27 2024-02-20 Cargill, Incorporated Polymerized oils and methods of manufacturing the same

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