Synthetic drawing and ironing lubricant

Claim 2

A synthetic metal working lubricant characterized by an absence of mineral oil but which is water immiscible and dispersible in water to form oil-in-water emulsions in which said lubricant is in the discontinuous phase, said lubricant consisting essentially of: A. 20-90% by weight polyisobutylenes having an average molecular weight within the range of approximately 310-610; B. 80-10% by weight of emulsifying agent (a) polyethylene glycol mono- and diesters of carboxylic acids containing 8-22 carbon atoms in a carbon chain, and (b) carboxylic acids containing 8-22 carbon atoms in a carbon chain, the ratio of (a):(b) being within the range of 1:3 to 3:1.

Claim 3

A synthetic metal working lubricant characterized by an absence of mineral oil which is water miscible and dispersible in water to form oil-in-water emulsions in which said lubricant is in the discontinuous phase, said lubricant consisting essentially of: A. 20-90% polyisobutylenes having an average molecular weight of approximately 310-610; B. emulsifying agents which are polyethylene glycol mono- and diesters of carboxylic acids containing 8-22 carbon atoms in a carbon chain; C. carboxylic acids containing 8-22 carbon atoms in a carbon chain; and one or more of the following optional ingredients: D. lower esters of long chain carboxylic acids containing 8-22 carbon atoms and up to and including 7 carbon atoms in the ester group; E. oily glycerides of long chain fatty acids; F. ethoxylated higher alcohols containing 8-22 carbon atoms; G. ethoxylated long chain carboxylic acids containing 8-22 carbon atoms; and H. corrosion inhibitors for ferrous and non-ferrous metals, the total quantity of B and C being within the range of 80-10% by weight, the quantity of C being up to 40% by weight; the quantity of D being within the range of 0.5-30% by weight, the quantity of E being within the range of 0.5-10% by weight; the quantity of F being within the range of 0.5-10% by weight; the quantity of G being within the range of 0.5-10% by weight, and the quantity of H being within the range of a fraction of a percent to 3% by weight.

Claim 4

A synthetic metal working lubricant characterized by an absence of mineral oil which is water miscible and dispersible in water to form oil-in-water emulsions in which said lubricant is in the discontinuous phase, said lubricant consisting essentially of: A. 20-90% polyisobutylenes having an average molecular weight of approximately 310-610; B. emulsifying agents which are polyethylene glycol mono- and diesters of carboxylic acids containing 8-22 carbon atoms in a carbon chain; C. carboxylic acids containing 8-22 carbon atoms in a carbon chain; and one or more of the following optional ingredients: D. lower esters of long chain carboxylic acids containing 8-22 carbon atoms and up to and including 7 carbon atoms in the ester group; E. oily glycerides of long chain fatty acids; F. ethoxylated higher alcohols containing 8-22 carbon atoms; G. ethoxylated long chain carboxylic acids containing 8-22 carbon atoms; and H. corrosion inhibitors for ferrous and non-ferrous metals, the total quantity of B and C being within the range of 80-10% by weight, the quantity of C being up to 40% by weight; the quantity of D being within the range of 0.5-30% by weight, the quantity of E being within the range of 0.5-10% by weight; the quantity of F being within the range of 0.5-10% by weight; the quantity of G being within the range of 0.5-10% by weight, and the quantity of H being within the range of a fraction of a percent to 3% by weight.

Claim 5

A composition as claimed in claims 1 or 2 emulsified in water to form an oil-in-water emulsion.

Claim 6

A composition as claimed in claims 1 or 2 in which the polyisobutylene has a viscosity at 100° F. within the range of 106-112 centistokes.

Claim 7

A composition as claimed in claims 1 or 2 in which the ingredient (a) of B is polyethylene glycol 400 dioleate and the ingredient (b) of B is oleic acid.

Claim 8

A composition as claimed in claim 2 consisting essentially of approximately 79% by weight of polyisobutylene having a viscosity at 100° F. within the range of 106-112 centistokes, approximately 15% of polyethylene glycol 400 dioleate, approximately 5% oleic acid, approximately 0.5% by weight amyl acid phosphate, approximately 0.4% by weight morpholine and approximately 0.05% by weight mercaptobenzothiazole.

Claim 9

A composition as claimed in claim 2 in which the ingredients are polyisobutylenes, polyethylene glycol 400 dioleate, methyloleate, oleic acid, triethanolamine, C12 phosphate ester and mercaptobenzothiazole.

Claim 10

A composition as claimed in claim 3 in which the ingredients are polyisobutylenes, triethylene glycol C8 and C12 carboxylic acid esters, oleic acid, soybean oil, 4 mole ethoxylated lauryl alcohol, 9 mole ethoxylated stearic acid, morpholine, amyl acid phosphate and mercaptobenzothiazole.

Claim 11

A method of working non-ferrous and ferrous metals which comprises applying as a lubricant a composition as claimed in claim 3.

Claim 12

A method of working aluminum which comprises applying as a lubricant a composition as claimed in claim 3.