Wet-Strength Agents and AKD Fixing Agents -NEOX Series

Wet-Strength Agents and AKD Fixing Agents -NEOX Series


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Keyword
Category
Catalyst & Chemical Auxiliaries

Taegwang Chemicals Co., Ltd.

Country / Year Established
South Korea South Korea /
Business type
Others
Verified Certificate

11

Product name Wet-Strength Agents and AKD Fixing Agents -NEOX Series Certification -
Category Catalyst & Chemical Auxiliaries Ingredients -
Keyword - Unit Size -
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origin Stock -
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Product Information

NEOX Series - Wet-Strength Agents and AKD Fixing Agent

The need for a wet-strength resin which could be used in neutral or alkaline papermaking led, over fifty years ago, to the development of poly(aminoamide)- epichlorohydrin (PAE) resins, sometimes referred to as polyamide-polyamine- epichlorohydrin (PPE) resins.

A dibasic acid is condensed with polyfunctional amine to give a water-soluble polyamide. The secondary amine groups of the polyamide are then alkylated with epichlorohydrin, and a number of reactions take place. The resulting product consists of relatively low molecular weight polyamide backbones with many reactive side chains. Chloride counterions are formed as a result of the epoxidation and, at the end of the manufacturing process, the resin is usually acidified to provide stability against gelation during storage.

As the resin is dried in a paper sheet, the hydroxyazetidinium groups have two possibilities for reaction. One is to react through the amine groups of other resin molecules to give a homo-crosslinked network, and the other is to react with available carboxyl groups in the paper.

The wet strength is not fully developed by the time a paper product reaches the end of a paper machine, and strength continues to develop as the paper is stored. The rate of curing is affected by temperature and length of time in contact with heat. The bonds that are eventually formed are not readily broken under either acid or slightly alkaline conditions, and the wet strength is therefore permanent. Whilst this can be an advantage in certain applications, it does make the paper or paperboard more difficult to disintegrate. However, the difficulties for the disintegration of PAE-treated paper have not been reported practically when the dosage level of PAE resin is below 4%.

PAE resins are most often used in a pH range of 6 to 8, but their efficiency is adequate in the pH range 5 to 9. Reducing the pH of a papermaking furnish leads to two effects that discourage adsorption. Firstly, fewer carboxyl groups on the pulp are dissociated. Secondly, although most of the charge on the PAE resin is due to the azetidinium groups, which are insensitive to pH change, there are some tertiary amine groups present in the polymer and these lose their charge at lower pH.

PAE resins are used extensively in all types of wet-strength papers. Major examples are household products such as paper towels, napkins, facial tissue, and packaging materials like liquid packaging, corrugated boxes, paper bags, and specialties such as photographic papers, wrappings and disposables.

1. Typical Properties

 
NeoX-170A
NEOX-16
NeoX-CN175
Appearance
Pale yellow liquid
Pale yellow liquid
Pale yellow liquid
Active content(%)
12.0~13.0
15.0~17.0
17.0~18.0
Bulk viscosity(cps, 25°C)
20~100
<200
20~100
Specific gravity(Ave.)
1.02~1.04
1.035~1.065
1.030~1.060
pH
3.0~5.0
3.0~6.0
6.0~5.0
Storage temp.(°C)
5~30
5~30
5~30
Shelf life(Months)
3
3
3

2. Packaging

Plastic pails
Metalic drums
Schutz container
Other sizes
20kg
200kg
1,000kg
-

3. Heath and Safety

Toxicity, caused by NEOX products alone and when incorporated into papers and paperboards, has not been reported so far. The content of NEOX series is listed under Title 21 of the Code of Federal Regulations, Paragraph 176.170. However, contact with the NEOX solution should be avoided because of its acidic nature. When exposed to the solutions, wash with fresh water immediately.

These data are given for information only. They do not constitute a specification and no liability is assumed, nor freedom from any existing patents.
We do not guarantee the applicability or the accuracy of this information and the suitability of our products in any given situation, since we cannot anticipate the many different conditions under which our products may be used.

B2B Trade

Price (FOB) Negotiable transportation -
MOQ Negotiable Leadtime Negotiable
Payment Options Negotiable Shipping time Negotiable

Taegwang Chemicals Co., Ltd.

Country / Year Established
South Korea South Korea /
Business type
Others

11

President
Mintae Park
Address
229, Mugeuk-ro, Geumwang-eup, Eumseong-gun, Chungcheongbuk-do, Korea
Product Category
Catalyst & Chemical Auxiliaries
No. of Total Employees
1-50
Company introduction

Taegwang Chemicals Co., Ltd. is a leader in the development and production of paper additives in Korea.  Started out as Taegwang Chemicals Company in 1982 which was our first step into paper chemicals industry, we have been growing and expanding ever since.  In 1987, we re-established as Taegwang Chemicals Co., Ltd. with our accumulated technological know-how and expertise to fulfill our customers' needs and meet their requirements.

Our success has been resulted from continuous and thriving effort in development and improvement of our products while accumulating new and advanced technologies.  It is no wonder that we, Taegwang, are the first in Korea to develop and supply alkaline sizing agents (AKD emulsion size) which contributes cost reduction and environmental impacts as well as improvements of quality for paper industry in Korea.

Since 1987, Taegwang has been providing technical aids to paper industries, which converted for alkaline papermaking, and Taegwang is now recognized as the leader in technology for alkaline papermaking in Korea.  Our major product lines are AKD SIZING AGENTS, ROSIN-BASED SIZING AGENTS, FIXING AGENTS, WET- & DRY-STRENGTH AGENTS, DYE FIXING AGENTS, RETENTION AIDS (PROGRAMS), and ANIONIC TRASH CATCHERS.

We will not stop here, but continually thrive and step forward until we become a leader in the world-wide paper chemicals industry.

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