Machine-Glazed Paper Composition for Stiff, Sealable Paper Sticks
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Solution Overview
Problem
Existing paper-based materials are considered less suitable for replacing single-use plastic items like cotton buds and lollipop sticks due to low shape stability, poor sealability, and issues with dusting and blunting during manufacturing.
Innovation Solution
A machine-glazed paper comprising softwood fibers and a high starch content, with specific Cobb values and fiber orientation, enhancing bending resistance, sealability, and reducing dusting during slitting operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-generated harmful factors
If paper-based materials are used to replace plastic single-use items, then biodegradability and renewability are improved, but shape stability deteriorates
Solution Approach 1:
The patent changes the physical and chemical parameters of the paper by controlling the fiber composition (63-80 wt% softwood fibers), starch content (0.1-2 wt%), and Cobb value (20-50 gsm) to achieve both biodegradability and improved shape stability for paper stick applications
Solution Approach 2:
The patent creates a composite paper material combining softwood fibers with starch and other additives to achieve properties that neither component alone provides, specifically improved shape stability while maintaining biodegradability
2Object-generated harmful factors
If paper-based materials are used to replace plastic single-use items, then environmental friendliness is improved, but sealability deteriorates
Solution Approach 1:
The patent modifies paper parameters including fiber type, starch content, and Cobb value to achieve adequate sealability for cotton bud applications while maintaining environmental friendliness through biodegradable materials
Solution Approach 2:
The patent uses starch as an intermediary substance that facilitates sealing in the paper material without compromising its biodegradable and environmentally friendly properties
3Ease of manufacture
If conventional paper is used for making paper sticks, then manufacturing simplicity is maintained, but dusting and blunting during slitting operations increases
Solution Approach 1:
The patent changes paper parameters including fiber composition, starch content, and surface properties (Cobb value) to reduce dusting during slitting operations while maintaining manufacturing simplicity
4Reliability
If high starch content is added to improve sealability, then sealability is improved, but manufacturing complexity increases
Solution Approach 1:
The patent optimizes the starch content parameter to a specific range (0.1-2 wt%) that provides adequate sealability while avoiding excessive manufacturing complexity that would result from higher starch additions
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 combination of softwood fibers and starch improves the stiffness and sealability of paper sticks, reducing dusting and blunting, while maintaining shape stability and enabling efficient production.
Implementation Method 1
a fast water absorption, indicated by the Cobb value
Data Source
AI summary
The present disclosure relates to a machine glazed paper comprising softwood fibers, the machine glazed paper comprising starch to an amount within the range of from 0.1 wt. % by weight to 2 wt. % of the dry weight of the machine glazed paper. the amount of softwood fibers of the total amount of fibers being 63 wt. % or more, and the machine glazed paper having a Cobb value within the range of from 20 gsm to 50 gsm. as measured according to the standard method ISO 535:2014. The present disclosure furthermore relates to a method of producing the machine glazed paper.