"The fatty acids can be any fatty acid that is used for manufacturing esterquats for fabric softening. Examples of fatty acids include, but are not limited to, coconut oil, palm oil, tallow, rape oil, fish oil, or chemically synthesized fatty acids. In certain embodiments, the fatty acid is tallow.
"While the esterquat can be provided in solid form, it is usually present in a solvent in liquid form. In solid form, the esterquat can be delivered from a dryer sheet in the laundry. In certain embodiments, the solvent comprises water.
"The composition can be provided as a fragrance free composition, or it can contain a fragrance. The amount of fragrance can be any desired amount depending on the preference of the user. In certain embodiments, the amount of free fragrance oil is 0.3 to 1 weight % of the composition. Free fragrance capsule slurry mixtures could go up to 2 weight % of the composition. Typically, capsule loading is around 45 weight % fragrance oil.
"Fragrance, or perfume, refers to odoriferous materials that are able to provide a desirable fragrance to fabrics, and encompasses conventional materials commonly used in detergent compositions to provide a pleasing fragrance and/or to counteract a malodor. The fragrances are generally in the liquid state at ambient temperature, although solid fragrances can also be used. Fragrance materials include, but are not limited to, such materials as aldehydes, ketones, esters and the like that are conventionally employed to impart a pleasing fragrance to laundry compositions. Naturally occurring plant and animal oils are also commonly used as components of fragrances.
"The composition can contain any material that can be added to fabric softeners. Examples of materials include, but are not limited to, surfactants, thickening polymers, colorants, clays, buffers, silicones, fatty alcohols, and fatty esters.
"The fabric conditioners may additionally contain a thickener. In one embodiment, the thickening polymer is the FLOSOFT.TM. DP200 polymer from
"The fabric conditioner may further include a chelating compound. Suitable chelating compounds are capable of chelating metal ions and are present at a level of at least 0.001%, by weight, of the fabric softening composition, preferably from 0.001% to 0.5%, and more preferably 0.005% to 0.25%, by weight. The chelating compounds which are acidic in nature may be present either in the acidic form or as a complex/salt with a suitable counter cation such as an alkali or alkaline earth metal ion, ammonium or substituted ammonium ion or any mixtures thereof. The chelating compounds are selected from among amino carboxylic acid compounds and organo aminophosphonic acid compounds, and mixtures of same. Suitable amino carboxylic acid compounds include: ethylenediamine tetraacetic acid (EDTA); N-hydroxyethylenediamine triacetic acid; nitrilotriacetic acid (NTA); and diethylenetriamine pentaacetic acid (DEPTA). Suitable organo aminophosphonic acid compounds include: ethylenediamine tetrakis (methylenephosphonic acid); 1-hydroxyethane 1,1-diphosphonic acid (HEDP); and aminotri (methylenephosphonic acid). In certain embodiments, the composition can include amino tri methylene phosphonic acid, which is available as Dequest.TM. 2000 from
"In certain embodiments, the composition can include a C.sub.13-C.sub.15 Fatty Alcohol EO 20:1, which is a nonionic surfactant with 20 an average of 20 ethoxylate groups. In certain embodiments, the amount is 0.05 to 0.5 weight %.
"In certain embodiments, the composition can contain a silicone as a defoamer, such as
"In the case of liquid fabric conditioner, a small amount of active can be effectively delivered and deposited through esterquat softener during the rinse cycle."
URL and more information on this patent application, see: Truong, Katie;
Keywords for this news article include: Esters, Alkenes, Patents, Minerals, Acrylates, Chemistry, Acrylamides, Silicon Dioxide, Carboxylic Acids, Ethylene Glycols, Organic Chemicals, Silicon Compounds.
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