Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Method for measuring disintegration of fibrous product

A technology for measuring fibers and fiber products, which is applied in the field of fiber products, can solve the problems of clogging sewage systems and discharge clarifiers, measuring or verifying few fiber products, no information, etc., to achieve improved evaluation and understanding, reliable disintegration ability, The effect of reducing operational failure

Inactive Publication Date: 2020-02-21
KEMIRA OY
View PDF5 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, almost all products that claim to be flushable can pass the INDA flushability guidelines and even the agitation box disintegration test, but only a few of them are truly dispersible as they will not disperse sufficiently to pass through smaller pipes and other types of restrictions in sewage systems
Therefore, even if such fibrous products pass through the plumbing system immediately after being flushed, they can clog sewage systems and effluent clarifiers controlled by city / municipal systems
[0006] Other disadvantages of the INDA Stirred Chamber Disintegration Test are that it has multiple steps and takes several hours or even a day to obtain the results, and the results only indicate a pass / fail information for e.g. Disintegration rate gives little or no information
[0007] Despite increasing demand, there are still very few techniques available to measure or verify the disintegration rate of fibrous products

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method for measuring disintegration of fibrous product
  • Method for measuring disintegration of fibrous product
  • Method for measuring disintegration of fibrous product

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0108] equipment

[0109] ·Horizontal mixing wheel

[0110] ·Programmable orbit vibrator

[0111] ·200ml glass bottle

[0112] ·Analytical balance with an accuracy of 0.001g

[0113] ·Laboratory oven, heated to 105°C

[0114] ·Aluminum weighing pan

[0115] · Cutting table or scissors

[0116] · Dynamic Drain Tank (digital output preferred), DDJ, with coarse back-up screen with mesh size approximately 1 / 16"

[0117] · Collection container

[0118] 4L vacuum bottle with 150mm diameter Buchner funnel

[0119] Whatman#4 qualitative filter paper, diameter 150mm, Cat.No.1004150

[0120]• Hach 2100P Turbidimeter, Model 2100P. The model operates on the Turbidity method principle of turbidity measurement. The optical system includes a tungsten lamp, a 90° detector to monitor the scattered light, and a transmitted light detector. The instrument's microprocessor calculates the ratio of the signals from the 90° detector and the transmitted light detector. This ratio techniq...

Embodiment 2

[0154] equipment

[0155] ·Horizontal to vertical adjustable wheel mixer set at 45 degree angle

[0156] · (4) 200ml glass bottle with cap, (8) when free fibers and fine fibers are also quantified

[0157] ·Analytical balance with an accuracy of 0.001g

[0158] ·Laboratory oven, heated to 105°C

[0159] ·Aluminum weighing pan

[0160] · Cutting table or scissors

[0161] ·Dynamic Drain Jar (DDJ also known as Britt Jar), ​​3 / 8" inside with standard drain plug plug

[0162] Internal Diameter Drain Modification. The DDJ impeller itself can be used when required. A 4.125" diameter DDJ screen with 1 / 2" diameter perforations and 11 / 16" offset. Optionally, a 1 / 16" diameter perforated screen with 7 / 64" offset for free fiber and fines quantification.

[0163] ·4L collection beaker

[0164] 4L vacuum bottle with 150mm diameter Buchner funnel

[0165] Whatman#4 qualitative filter paper, diameter 150mm, Cat.No.1004150

[0166] 250ml and 1000ml graduated cylinders

[0167] ·1L...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
diameteraaaaaaaaaa
Login to View More

Abstract

The present invention provides a method and system for measuring disintegration of a fibrous product. The method comprises disintegration of a sample of the fibrous product in an aqueous solution, optionally promoted by mechanical energy, passing the aqueous solution through a screen to obtain a permeate and retained fraction on the screen, and analyzing at least one parameter from the permeate for example by a gravimetric analysis, an optical analysis, an electrochemical analysis, a volumetric analysis, or combination thereof. Advantages include adjustabilxity, speed, and high correlation with actual flushability or repulpability of the fibrous product, and utility in a process for manufacturing a fibrous sheet exhibiting con- trolled disintegration, such as a flushable or repulpable fibrous sheet.

Description

technical field [0001] The present invention relates generally to the field of fibrous products, such as flushable and repulpable fibrous products. More specifically, the present invention relates to methods and systems for measuring disintegration of fibrous products. Furthermore, the present invention relates to a method for the manufacture of fibrous sheets exhibiting controlled disintegration. Background technique [0002] The paper industry has a constant need for fibrous products that are strong enough for their intended use, yet capable of disintegrating after being discarded. Wet strength is a desirable property of fibrous products that come into contact with water or moisture during other processing steps or during use. Examples of such products include hygiene products such as napkins, paper towels, household tissues and disposable hospital wear, as well as certain paper and paperboard varieties to be coated, glued, and the like. The integrity or strength of the...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): D21H23/78D21H27/00D21B1/32D21C5/02D21D5/02D21H21/20D21G9/00
CPCD21C5/022D21F1/0009D21F1/82D21F11/00D21G9/00D21H21/20D21H23/78D21H27/002G01N5/02G01N15/0618
Inventor 克莱顿·坎贝尔珍妮弗·赖泽克里斯廷·威蒂克弗兰克·齐默尔曼
Owner KEMIRA OY
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com