US1869439A - Rancidity retardant - Google Patents
Rancidity retardant Download PDFInfo
- Publication number
- US1869439A US1869439A US315348A US31534828A US1869439A US 1869439 A US1869439 A US 1869439A US 315348 A US315348 A US 315348A US 31534828 A US31534828 A US 31534828A US 1869439 A US1869439 A US 1869439A
- Authority
- US
- United States
- Prior art keywords
- rancidity
- retardant
- oil
- magnesium oxide
- ingredients
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- 235000012245 magnesium oxide Nutrition 0.000 description 8
- 229960000869 magnesium oxide Drugs 0.000 description 8
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 8
- 239000000395 magnesium oxide Substances 0.000 description 8
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- 235000015112 vegetable and seed oil Nutrition 0.000 description 7
- 239000008158 vegetable oil Substances 0.000 description 7
- 239000003921 oil Substances 0.000 description 6
- 235000019198 oils Nutrition 0.000 description 6
- 239000004744 fabric Substances 0.000 description 5
- 239000004615 ingredient Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000008199 coating composition Substances 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000006223 plastic coating Substances 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000012612 commercial material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- XCAUINMIESBTBL-UHFFFAOYSA-N lead(ii) sulfide Chemical compound [Pb]=S XCAUINMIESBTBL-UHFFFAOYSA-N 0.000 description 1
- 235000011160 magnesium carbonates Nutrition 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical class [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 235000012254 magnesium hydroxide Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B5/00—Preserving by using additives, e.g. anti-oxidants
Definitions
- Such material suffers the defect that the vegetable oil tends to become acid, and thus there is a normal development of a rancid odor and subsequent deterioration in quality of the coated fabric.
- the object of the present invention is to 2 provide an improved or modified method for the purposes referred to above,
- the invention comprises the addition to the oil and other ingredients making up a plastic coating composition tity of magnesium oxide.
- the invention includes processes for the prevention of rancidity in vegetable oils used as ingredients of plastic compositions for coating fabric, paper, and the.like substantially as hereinafter described, and in coated fabrics or the like prepared with the aid of spch treated oils.
- magnesium oxide finely ground magnesium oxide into the flexible coating composition during the preparation of the latter before it is applied to the fabric.
- rancidity of the oil contained in the composition is retarded for a much longer period than is the case with compositions from which the magnesium oxide has been omitted
- One of the advantages of the use of magnesiumoxide is the fact that it is white and 59 is, therefore, a particularly desirable maof a smallquanterial to introduce into coating compositions of white or light shades.
- magnesium oxide includes commercial material which may contain c'ertain quantities of hydrated magnesium hydroxides and carbonates, as well as mixtures thereof;
- a coating composition containing a 1'0 vegetable oil and at least 2%, based onthe weight of said 'oil, of finely ground mag nesium oxide.
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paper (AREA)
Description
Patented Aug. '2, 1932 UNITED, STATES PATENT OFFICE GODFREY EDWARD SOHARFF, OF STEVENSTON, SCOTLAND, ASSIGNOR TO E. I. DU PONT DE NEMOURS & COMPANY, OF WILMINGTON, DELAWARE, A CORPORATION DELA- WARE No Drawing. Application filed October 2'8, 1928, Serial No. 315,348, and in Great Britain November This invention relates to a method for the prevention of rancidity of vegetable oils used as an ingredient of plastic coating compositions.
Such material suffers the defect that the vegetable oil tends to become acid, and thus there is a normal development of a rancid odor and subsequent deterioration in quality of the coated fabric.
Heretofore, a method for the prevention of rancidity in vegetable oils used as ingredients of plastic compositions for coating fabric, paper or the like has been developed which consists in the addition to the oil and other 16 ingredients of a small quantity of a metallic sulphide, particularly a sulphide'of the second group in wet analysis, for example, antimony, arsenic, zinc or lead sulphide.
The object of the present invention is to 2 provide an improved or modified method for the purposes referred to above,
The invention comprises the addition to the oil and other ingredients making up a plastic coating composition tity of magnesium oxide.
. The invention includes processes for the prevention of rancidity in vegetable oils used as ingredients of plastic compositions for coating fabric, paper, and the.like substantially as hereinafter described, and in coated fabrics or the like prepared with the aid of spch treated oils. y
In carrying the invention into-effect in one form by way of example, I introduce 2%,
calculated on the weight of vegetable oil, of
finely ground magnesium oxide into the flexible coating composition during the preparation of the latter before it is applied to the fabric. p I have found that by the addition of magnesium oxide rancidity of the oil contained in the composition, as evidenced by the development of a rancid odor, is retarded for a much longer period than is the case with compositions from which the magnesium oxide has been omitted One of the advantages of the use of magnesiumoxide is the fact that it is white and 59 is, therefore, a particularly desirable maof a smallquanterial to introduce into coating compositions of white or light shades.
It is to be understood that the term magnesium oxide includes commercial material which may contain c'ertain quantities of hydrated magnesium hydroxides and carbonates, as well as mixtures thereof;
As many apparently widely different em bodiments of this invention may be made without departing from the spirit and scope 09 thereof, it is to be understood that I do not limit myself to the specific embodiments thereof except as defined in the appended claims.
v I claim -1. The method of preventing rancidity in a vegetable oil which comprises adding thereto at least 2%, based on the weight of said oil, of finely ground magnesium oxide,
2. A coating composition containing a 1'0 vegetable oil and at least 2%, based onthe weight of said 'oil, of finely ground mag nesium oxide.
In testimorlig whereof, I alfix my si ature. GODFR Y EDWARD SC
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1869439X | 1927-11-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US1869439A true US1869439A (en) | 1932-08-02 |
Family
ID=10892452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US315348A Expired - Lifetime US1869439A (en) | 1927-11-23 | 1928-10-26 | Rancidity retardant |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US1869439A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3057813A (en) * | 1956-09-24 | 1962-10-09 | Dow Chemical Co | Styrene polymer composition containing butyl stearate and a metal compound |
-
1928
- 1928-10-26 US US315348A patent/US1869439A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3057813A (en) * | 1956-09-24 | 1962-10-09 | Dow Chemical Co | Styrene polymer composition containing butyl stearate and a metal compound |
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