Tissue paper
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional moisturizing tissue paper struggles to maintain a high level of both 'moist texture' and 'smooth texture' while avoiding a 'sticky texture', which affects user experience and skin feel.
Innovation Solution
A 2-ply tissue paper with a basis weight per ply less than 13 g/m2, containing a chemical agent with a high percentage of glycerin and 1,3-propanediol, specifically within the range of 83 mass % or more, and a mass ratio of 1:0.18 to 1:5.11, ensuring optimal moisture retention and smoothness without excessive stickiness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If the content of conventional moisturizer is increased, then a 'moist texture' is increased, but a 'sticky texture' is also increased and 'smooth texture' is reduced
Solution Approach 1:
The patent changes the chemical composition parameters of the moisturizer by specifying a particular ratio of glycerin to 1,3-propanediol (above 1:0.18 and less than 1:5.11) and controlling the total content (83 mass % or more of the chemical agent). This parameter optimization allows achieving high moist texture while suppressing sticky texture and maintaining smooth texture.
Solution Approach 2:
The patent uses a composite chemical agent system combining glycerin and 1,3-propanediol in specific proportions, rather than relying on a single moisturizer component. This composite approach leverages the complementary properties of both substances to achieve multiple texture characteristics simultaneously.
2Quantity of substance
If the content of conventional moisturizer is increased, then a 'moist texture' is increased, but 'smooth texture' is reduced
Solution Approach 1:
The patent optimizes the chemical composition parameters by controlling the ratio of glycerin to 1,3-propanediol and the total moisturizer content, achieving a balance that simultaneously improves moist texture and maintains smooth texture, which was not possible with conventional single-component moisturizers.
3Reliability
If excessive moisturizer is contained, then water retention properties are improved, but resilience of paper is lowered
Solution Approach 1:
The patent controls the total content of the chemical agent containing glycerin and 1,3-propanediol to be above 1.4 g/m2 and less than 4.9 g/m2, and specifies the ratio between components. This precise parameter control ensures sufficient water retention while preventing excessive softening that would compromise paper strength.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The tissue paper achieves a high level of 'soft texture', 'smooth texture', and 'moist texture' while limiting 'sticky texture', providing excellent tactile experience and maintaining strength even when wet, as demonstrated by specific tensile strength ratios and sensory evaluations.
Implementation Method 1
the moisturizing tissue paper is more excellent in 'soft texture,' 'smooth texture' and a 'moist texture' due to the effect of a moisturizer because of the moisture absorption action of the moisturizer
Implementation Method 2
above 1.4 g/m2 and less than 4.9 g/m2 of chemical agent which contains glycerin and 1,3-propanediol in a total amount of 83 mass % or more, wherein the mass ratio of glycerin and 1,3-propanediol is above 1:0.18 and less than 1:5.11
Data Source
AI summary
To provide tissue paper with an excellent “moist texture” and high “smooth texture.”2-ply tissue paper is characterized by the basis weight per ply being less than 13 g/m2, the 2-ply paper thickness being less than 135 μm, and containing above 1.4 g/m2 and less than 4.9 g/m2 of chemical agent which contains glycerin and 1,3-propanediol in a total amount of 83 mass % or more, wherein the mass ratio of glycerin and 1,3-propanediol is above 1:0.18 and less than 1:5.11.