Auto Body Cleaner and All Purpose Adhesive and Urethane Cleaner

The present invention relates to Auto Body Cleaner and/or All Purpose Adhesive and Urethane Cleaner compositions comprising d-limonene and a surfactant for cleaning automobile bodies including removing urethane products therefrom and/or the further addition of mineral oil when Sorbitan Monolaurate surfactant is used, which effectively reduces the possibility of skin irritation.

In the manufacturing and repairing of auto bodies and/or manufactured parts, it is highly desirable to clean such bodies and/or all other parts to remove therefrom unwanted materials such as urethane products, adhesives, bugs, tar, and grease. The cleaning composition should be effective, safe and relatively free from objectionable odor.

It is an object of the invention to provide an efficient, safe, easy to use, auto body cleaner composition that is composed of d-limonene and about 2.5 percent by weight to about 10 or 20 percent by weight of the composition of cocoamide/DEA/dihexyl sodium sulfosuccinate.

It is an object of the invention to provide an efficient, safe, easy to use, auto body cleaner and/or all purpose adhesive and urethane cleaner composition that is composed of d-limonene and about 1 percent by weight to about 1 to 15 percent by weight of the composition of Sorbitan Monolaurate, and 10 percent of mineral oil by weight to about 5 to 25 percent by weight, and 0.05 to 1 percent by weight for an antioxidant (BHT).

These and other objects of the invention will be apparent from the specification that follows and the appended claims.

The present invention provides an auto body cleaner and all purpose adhesive and urethane remover composition consisting essentially of (A) d-limonene and (B) about 2 to 12 percent by weight of a (nonionic and anionic) surfactant that is cocamide DEA/Dihexyl sodium sulfosuccinate (CDDSS) Monamulse DL-1273.TM.. This is a preferred formula having no mineral oil or Sorbitan Monolaurate.

In another embodiment, the present invention also provides an auto body cleaner and/or all purpose adhesive and urethane remover composition containing no CDDSS, and consisting essentially of (A) d-limonene, (B) about 1 to 15 percent by weight of Sorbitan Monolaurate, (C) about 5 to 25 percent by weight of mineral oil, and (D) about 0.05 to 1 percent of BHT.

General, preferred and optimum compositions of the invention are as follows in approximate percent by weight.

In the above formulation, containing CDDS, an antioxidant can be issued as follows:

The following preferred composition was tested and found to effectively clean auto bodies and remove grease and urethane products;

In another embodiment, containing no CDDSS, the composition is as follows:

The above non-aqueous composition containing CDDSS was applied to auto bodies covered with grease, tar, urethane and adhesive and urethane products. The bodies were cleaned by cloth wiping. There was little or no skin irritation from the composition.

A composition of a dibasic ester (90% total weight percent) and CDDSS surfactant (10%) was not satisfactory. Likewise, a composition of d-limonene and 10% ethoxylated undecyl alcohol was not satisfactory.

The cleaning composition of the Example with CDDS provides superior and highly advantageous results, there being no film left behind. The CDDSS surfactant provides superior results.

Sorbitan Monolaurate also provides superior results (when used with d-limonene and mineral oil) and is not known to be of an irritation to the skin.

A preferred d-limonene is the Glidco (SCM) Glidsafe.TM. Limonene 145. This d-limonene is a high quality low odor terpene solvent having the following specification and typical properties.

A highly preferred d-limonene component is Glidco (SCM) Glidsafe.TM. Limonene DL, a synthetic, low odor d-limonene with no noticeable citrus odor.

Limonene DL has the following physical/chemical characteristics:

An antioxidant, BHT can be used generally in an amount of about 0.1 to 1 percent by weight of the composition and preferably about 0.2 or 0.25 percent by weight to about 0.5 or 0.8 percent by weight.

The cleaner composition has an outstanding balance of properties including easy removal of grease, tar and urethane adhesive coatings from auto body surfaces, being non-irritating to the skin, having a pleasant odor, having miscible ingredients, and leaving the cleaned surfaces free of surface film.