Cyclodextrin-containing pigment printing dyestuff with scent effects, preparation thereof and use thereof

Abstract

A pigment printing dyestuff composition for textile finishing comprises a cyclodextrin or cyclodextrin derivative in turn capable of including a scent as a guest molecule.

What is claimed is:  
     
         1 . A pigment printing dyestuff composition for textile finishing, comprising 
 a substance selected from the group consisting of a cyclodextrin and a cyclodextrin derivative; and said substance including a scent as a guest molecule.    
     
     
         2 . The pigment printing dyestuff composition as claimed in  claim 1 , 
 wherein said cyclodextrin or cyclodextrin derivative is complexed with said scent.    
     
     
         3 . The pigment printing dyestuff composition as claimed in  claim 1 , 
 wherein said cyclodextrin or cyclodextrin derivative is selected from the group consisting of a hydroxypropyl derivative of α-, β- and γ-cyclodextrin and a methyl derivative of α-, β- and γ-cyclodextrin.    
     
     
         4 . The pigment printing dyestuff composition as claimed in  claim 1 , 
 wherein said cyclodextrin or cyclodextrin derivative is present in an amount ranging from 1% to 15% by weight, based upon the total weight of the dyestuff composition.    
     
     
         5 . The pigment printing dyestuff composition as claimed in  claim 1 , 
 wherein said scent is present in an amount ranging from 0.1% to 1.5% by weight, based upon the total weight of the dyestuff composition.    
     
     
         6 . The pigment printing dyestuff composition as claimed in  claim 1 , 
 wherein said scent is selected from the group consisting of fruity notes based on citral (lemon scent), allyl caproate, rose oil, substances having rose scent, citral, substances having lemon scent, apple aroma, vanillin, cinnamaldehyde (pineapple), prenyl acetate (banana), heliotropin (cherry), agruma oils; herbal notes based on lavender oil, rosemary oil, thyme oil, sage oil, peppermint oil, eucalyptus oil, tea tree oil, camomile oil; spicy notes based on cinnamaldehydes (cinnamon), eugenol (clove flower); woody notes based on sandalwood oil, cedar oil, cyprus oil and rosewood oil; flowery scents based on ionone (violet), terpineol (lilac), phenylethyl alcohol/citronellol (rose), hydroxycitronellol (lily of the valley); alpha-hexylcinnamaldehyde/benzyl alcohol (jasmine), ylang-ylang oil (ylang-ylang); animalic notes based on polycyclic and also macrocyclic compounds (musk); sweet, balsamic notes based on vanillin (vanilla), anethole (aniseed), benzaldehyde (almond), courmarin (moss, hay).    
     
     
         7 . The pigment printing dyestuff composition as claimed in  claim 1 , further comprising 
 water and being an aqueous scent solution.    
     
     
         8 . A pigment printing dyestuff composition as claimed in  claim 1 , further comprising 
 water and being a paste.    
     
     
         9 . A process for preparing a pigment printing dyestuff composition comprising 
 incorporating a substance selected from the group consisting of a cyclodextrin, a cyclodextrin derivative, a cyclodextrin or cyclodextrin derivative and subsequently a scent, a cyclodextrin-scent complex and a cyclodextrin derivative-scent complex, in a pigment printing dyestuff by stirring or kneading.    
     
     
         10 . In a method of printing textiles, the improvement comprises utilizing a pigment printing dyestuff composition as claimed in  claim 1  for printing textiles.  
     
     
         11 . Textiles printed with a pigment printing dyestuff composition as claimed in  claim 1 .  
     
     
         12 . A process for reactivating a textile, which comprises 
 spraying said textile with an aqueous scent solution, as claimed in  claim 7 .    
     
     
         13 . A printing paste dyestuff composition, comprising 
 70 g of methyl-β-cyclodextrin; dissolved in    400 g of deionized water;    7 g of perfume oil;    100 g of silicone dispersion;    100 g of polyurethane binder;    50 g of silicone oil emulsion;    1 g of dye;    192 g of deionized water; and    80 g of thickener.    
     
     
         14 . A printing paste dyestuff composition comprising 
 70 g of hydroxypropyl-β-cyclodextrin; dissolved in    400 g of deionized water;    7 g of perfume oil;    100 g of silicone dispersion;    100 g of polyurethane binder;    50 g of silicone oil emulsion;    10 g/liter of dye;    183 g of deionized water; and    80 g of thickener.    
     
     
         15 . A printing paste dyestuff composition comprising 
 a cyclodextrin derivative in an amount ranging from 1% to 15% by weight, based upon the total weight of the dyestuff composition;    a scent in an amount ranging from 0.1% to 1.5% by weight, based upon the total weight of the dyestuff composition;    water in an amount ranging from 40% to 60% by weight, based upon the total weight of the dyestuff composition; and    from 23.5% to 58.9%, by weight of a dye and an ingredient selected from the group consisting of a silicone dispersion, a polyurethane binder, a silicone oil, a thickener, and mixtures thereof.