Tissue paper material and tissue paper product including non-wood fibres

Abstract

A single-ply tissue paper material having a basis weight less than 40 gsm and an absorbency of at least 3 g/g, comprising a non-wood tissue ply, said non-wood tissue ply comprising non-wood cellulose pulp fibres in an amount of at least 10% by dry weight of the non-wood tissue ply. The disclosure further relates to a single-ply tissue paper product, and a multi-ply tissue paper product.

1 . A single-ply tissue paper material having a basis weight less than 40 gsm and an absorbency of at least 3 g/g, comprising a non-wood tissue ply, said non-wood tissue ply
 comprising non-wood cellulose pulp fibres being present in an amount of at least 10% by dry weight of the of the non-wood tissue ply.   
     
     
         2 . A single-ply tissue paper material according to  claim 1 , wherein the tissue paper material has an absorbency of at least 4 g/g. 
     
     
         3 . The single-ply tissue paper material according to  claim 1 , wherein the tissue paper material has an absorbency of at least 5 g/g. 
     
     
         4 . The single-ply tissue paper material according to  claim 1  being produced by CWP (Conventional Wet Pressed) technology. 
     
     
         5 . The single-ply tissue paper material according to  claim 1 , being produced by structured tissue technology and having an absorbency of at least 6 g/g. 
     
     
         6 . The single-ply tissue paper material according to  claim 1 , being produced by structured tissue technology and having an absorbency of at least 7 g/g. 
     
     
         7 . The single-ply tissue paper material according to  claim 1 , being produced by structured tissue technology and having an absorbency of at least 8 g/g. 
     
     
         8 . The single-ply tissue paper material according to  claim 1 , wherein the tissue paper material has a GMT tensile strength of at least 60 N/m. 
     
     
         9 . The single-ply tissue paper material according to  claim 1 , wherein the tissue paper material has a GMT tensile strength of at least 70 N/m. 
     
     
         10 . The single-ply tissue paper material according to  claim 1 , wherein the tissue paper material has a GMT tensile strength of at least 80 N/m. 
     
     
         11 . The single-ply tissue paper material according to  claim 1 , having a basis weight of less than 30 gsm. 
     
     
         12 . The single-ply tissue paper material according to  claim 1 , having a basis weight of less than 25 gsm. 
     
     
         13 . The single-ply tissue paper material according to  claim 1 , having a basis weight of more than 10 gsm. 
     
     
         14 . The single-ply tissue paper material according to  claim 1 , having a basis weight of more than 15 gsm. 
     
     
         15 . (canceled) 
     
     
         16 . (canceled) 
     
     
         17 . (canceled) 
     
     
         18 . (canceled) 
     
     
         19 . The multi-ply tissue paper product according to the  claim 1 , wherein at least one ply of the multi-ply tissue paper product is produced by CWP (Conventional Wet Pressed) technology. 
     
     
         20 . (canceled) 
     
     
         21 . (canceled) 
     
     
         22 . (canceled) 
     
     
         23 . (canceled) 
     
     
         24 . (canceled) 
     
     
         25 . (canceled) 
     
     
         26 . (canceled) 
     
     
         27 . (canceled) 
     
     
         28 . (canceled) 
     
     
         29 . (canceled) 
     
     
         30 . (canceled) 
     
     
         31 . (canceled) 
     
     
         32 . (canceled) 
     
     
         33 . (canceled) 
     
     
         34 . (canceled) 
     
     
         35 . (canceled) 
     
     
         36 . (canceled) 
     
     
         37 . (canceled) 
     
     
         38 . The single-ply tissue paper material according to  claim 1 , wherein the non-wood cellulose pulp fibres contains at least 15% hemicellulose. 
     
     
         39 . The single-ply tissue paper material according to  claim 1 , wherein the non-wood cellulose pulp fibres contains no more than 15% lignin. 
     
     
         40 . The single-ply tissue paper material according to  claim 1 , wherein the non-wood cellulose pulp fibres have an average fibre length of less than 1700 μm. 
     
     
         41 . The single-ply tissue paper material according to  claim 1 , wherein the non-wood cellulose pulp fibres have an average fibre length of less than 1200 μm. 
     
     
         42 . The single-ply tissue paper material according to  claim 1 , wherein the non-wood cellulose pulp fibres have an average fibre length of less than 900 μm. 
     
     
         43 . The single-ply tissue paper material according to  claim 1 , wherein the non-wood cellulose fibres have a breaking length of more than 3000 m. 
     
     
         44 . The single-ply tissue paper material according to  claim 1 , wherein the non-wood cellulose fibres have a breaking length/average fibre length ratio of more than 3.7. 
     
     
         45 . The single-ply tissue paper material according to  claim 1 , wherein the non-wood cellulose fibres have a breaking length/average fibre length ratio of more than 4.0. 
     
     
         46 . The single-ply tissue paper material according to  claim 1 , wherein the non-wood cellulose fibres have a breaking length/average fibre length ratio of more than 4.5. 
     
     
         47 . The single-ply tissue paper material according to  claim 1 , wherein the non-wood cellulose pulp fibres are derived from a member of the Pocacea family, such as from wheat straw, rice straw, barley straw, oat straw, rye grass, costal Bermuda grass,  Arundo donax, miscanthus , bamboo, sugar cane bagasse and/or sorghum. 
     
     
         48 . The single-ply tissue paper material according to  claim 1 , wherein the non-wood cellulose pulp fibres are derived from a member of the Cannabaceae family, such as from hemp and/or hop. 
     
     
         49 . The single-ply tissue paper material according to  claim 1 , wherein the non-wood cellulose pulp fibres are agricultural waste or byproduct, such as derived from agricultural waste or byproduct of the Pocacea family and/or Cannabaceae family such as exemplified in the above, including agricultural waste or byproduct from wheat straw, rice straw, barley straw, oat straw, rye grass, sugar cane bagasse, hemp or hop and/or wherein the non-wood cellulose pulp fibres are derived from agricultural waste or byproduct such as banana harvest residue (belongs to the family Musaceae), pineapple residue (belongs to the family Bromeliaceae), nut shell waste, bagasse from agave, hop residue and/or corn stover. 
     
     
         50 . The single-ply tissue paper material according to  claim 1 , wherein the non-wood cellulose pulp fibres are derived from kenaf (belongs to the family Malvaceae), switchgrass, succulents, alfalfa (belongs to the family Fabaceae), flax straw (belongs to the family Linaceae), palm fruits ( Elaeis  or Arecaceae), and/or avocado (Lauraceae). 
     
     
         51 . The single-ply tissue paper material according to  claim 1 , wherein said non-wood tissue ply or plies comprises said non-wood cellulose pulp fibres in an amount of at least 15%. 
     
     
         52 . The single-ply tissue paper material according to  claim 1 , wherein said non-wood tissue ply or plies comprises said non-wood cellulose pulp fibres in an amount of at least 20%. 
     
     
         53 . The single-ply tissue paper material according to  claim 1 , wherein said non-wood tissue ply or plies comprises said non-wood cellulose pulp fibres in an amount of less than 70% by dry weight. 
     
     
         54 . The single-ply tissue paper material according to  claim 1 , wherein said non-wood tissue ply or plies comprises said non-wood cellulose pulp fibres in an amount of less than 60% by dry weight. 
     
     
         55 . The single-ply tissue paper material according to  claim 1 , wherein said non-wood tissue ply further comprises wood pulp fibres, such as hardwood cellulose pulp fibres and/or softwood cellulose pulp fibres. 
     
     
         56 . The single-ply tissue paper material according to  claim 55 , wherein said non-wood tissue ply comprises wood pulp fibres in an amount such that the wood pulp fibre amount plus the non-wood fibre amount constitutes 100% dry weight of the non-wood tissue ply. 
     
     
         57 . The single-ply tissue paper material according to  claim 55 , wherein the hardwood/softwood dry weight proportion of the wood pulp fibres in said non-wood tissue ply is less than 95/5. 
     
     
         58 . The single-ply tissue paper material according to  claim 55 , wherein the hardwood/softwood dry weight proportion of the wood pulp fibres in said non-wood tissue ply is less than 90/10. 
     
     
         59 . The single-ply tissue paper material according to  claim 55 , wherein the hardwood/softwood dry weight proportion of the wood pulp fibres in said non-wood tissue ply is less than 80/20. 
     
     
         60 . The single-ply tissue paper material according to  claim 1 , wherein said non-wood cellulose pulp fibres are present throughout the non-wood tissue ply or plies. 
     
     
         61 . The single-ply tissue paper material according to  claim 1 , wherein said non-wood tissue ply or plies comprises two or more layers, and at least one layer comprises non-wood cellulose pulp fibres. 
     
     
         62 . The single-ply tissue paper material according to  claim 1 , said non-wood tissue ply or plies being produced by conventional wet press technology (CWP). 
     
     
         63 . The single-ply tissue paper material according to  claim 1 , said non-wood tissue ply or plies being produced by structured tissue technology, for example TAD (Through Air Drying), ATMOS, textured NTT, UCTAD, eTAD, QRT or PrimeLineTEX. 
     
     
         64 . The single-ply tissue paper material according to  claim 1 , wherein a portion or all non-wood cellulose pulp fibres are never-dried non-wood cellulose pulp fibre. 
     
     
         65 . The single-ply tissue paper material according to  claim 1 , comprising softwood cellulose pulp fibres and wherein a portion or all softwood cellulose fibres are never-dried softwood cellulose pulp fibre. 
     
     
         66 . The single-ply tissue paper material according to  claim 1 , comprising hardwood cellulose pulp fibres and wherein a portion or all hardwood cellulose fibres are never-dried hardwood cellulose pulp fibre. 
     
     
         67 . (canceled)