Invented by Zhiying Yu, Siddharth S. Vaijapurkar, Daniel W. Sumnicht, GPCP IP Holdings LLC
Absorbent sheets are widely used in various applications, including hygiene products, medical supplies, and food packaging. The tail-seal adhesives play a crucial role in ensuring the integrity and functionality of these sheets. Traditionally, synthetic adhesives have been used for tail-sealing, but they often come with drawbacks such as environmental concerns and limited performance.
Nanofibrillated cellulose (NFC) is a nanomaterial derived from wood fibers. It has exceptional mechanical properties, high surface area, and excellent water absorption capacity. These unique characteristics make NFC an ideal candidate for tail-seal adhesives in absorbent sheets.
One of the key advantages of using NFC-containing tail-seal adhesives is their eco-friendliness. Unlike synthetic adhesives, NFC is derived from a renewable resource and is biodegradable. This makes it a sustainable alternative that aligns with the growing demand for environmentally friendly products.
Furthermore, NFC-containing adhesives offer improved performance compared to traditional options. The high water absorption capacity of NFC allows for better bonding with the absorbent sheet, resulting in enhanced leak resistance. The mechanical properties of NFC also contribute to the overall strength and durability of the tail-seal, ensuring the sheet remains intact during use.
The market for absorbent sheet tail-sealed using NFC-containing adhesives is expected to witness significant growth in the coming years. The increasing awareness about sustainability and the need for eco-friendly solutions are driving the demand for such products. Additionally, the superior performance of NFC-based adhesives is attracting manufacturers and end-users alike.
The hygiene product industry is one of the major sectors benefiting from this technology. Diapers, sanitary napkins, and adult incontinence products require reliable tail-seal adhesives to prevent leakage. NFC-containing adhesives offer a more efficient and sustainable solution, making them an attractive choice for manufacturers in this sector.
Medical supplies, such as wound dressings and surgical drapes, also stand to benefit from NFC-based tail-seal adhesives. The high water absorption capacity and biocompatibility of NFC make it suitable for medical applications. Moreover, the biodegradability of NFC ensures that these products do not contribute to the growing waste problem.
Food packaging is another area where NFC-containing adhesives can make a significant impact. The ability of NFC to absorb water and create a strong bond makes it suitable for sealing food containers, ensuring freshness and preventing leakage. As the demand for sustainable packaging solutions continues to rise, NFC-based adhesives offer a promising alternative to synthetic options.
In conclusion, the market for absorbent sheet tail-sealed using nanofibrillated cellulose-containing tail-seal adhesives is poised for growth. The eco-friendly nature and superior performance of NFC-based adhesives make them an attractive choice for various industries. As sustainability becomes a priority for consumers and manufacturers, NFC-based adhesives offer a viable solution to meet these demands.
The GPCP IP Holdings LLC invention works as follows
An adhesive containing nanofibrillated cellulosic fibers that is aqueous in nature includes: (a) water, (b) nanofibrillated cellulosic fibres; and (c) at least one of the following: (i), a cellulose-soluble derivative; (ii), a polyol soluble in water; or (iii), a viscosity-modifying agent other than a cellulose-soluble derivative.
Background for Absorbent sheet tail-sealed using nanofibrillated cellulose-containing tail-seal adhesives
BRIEF DESCRIPTION DES DRAWINGS
Cellulosic Sheet and Papermaking Components” and related Terminology
Characteristic nanofiber viscosity and bonding agent viscosity
Tail Seal Bond Strength
Viscosity Analysis of NFC
NFC Breaking Length and stretch
PVOH and Surface Tension modifiers
Adhesive Bonding Agent Formulations
PVOH based Adhesive Viscosity Characteristics”.
NFC Bonding agent Viscosity
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