1、Waterborne 2

We report the effects of increasing the molecular weight of a secondary alcohol-based polyol in a two-component waterborne polyurethane (2 K-WB-PUR) f…

2、Journal of Applied Polymer Science

Accordingly, this paper presented the design and preparation of a multihydroxyl crosslinking modified antiglare core–shell PU@PA heteropolymer resin utilizing five different hydroxyl-containing crosslinking agents: polyhydroxy alcohols, trimethylolpropane, pentaerythritol, xylitol, and dipentaerythritol.

3、Preparation and coating properties of alkyd polyol

In order to increase the concentrations of bio-based alkyd polyols (or fatty acids) in self-crosslinking polyurethane dispersions, herein, a series of novel alkyd polyol-based autoxidizable waterborne polyurethane dispersions (AWPUDs) with different fatty acid contents, long storage stability, and low viscosity were successfully prepared by adding dimethylol propionic acid (DMPA) self ...

Sizing down and functionalizing polylactide (PLA) resin for

In addition, an alcohol-acidolysis of PLA by multifunctional 2,2-bis (hydroxymethyl)propionic acid (DMPA) produces lactate oligomers with hydroxyl and carboxylic acid terminals.

Synthesis and properties of polyurethane alcohol dispersion modified by

Hydroxyl-terminated polyurethane modified by epoxy resin (EPPU) was prepared by the reaction of isophorone diisocyanate (IPDI), poly (tetramethylene glycol) (PTMG), 2, 2-dimethylolbutanoic acid ...

Advances in waterborne polyurethane matting resins: A review

This review represents the inaugural effort to consolidate the recent advancements in waterborne polyurethane matting resins, encompassing both physical and chemical matting types. The exploration commences with an introduction to a range of innovative matting agents tailored for the formulation of physical matting waterborne polyurethane resins.

Waterborne acrylic resin modified with glycidyl methacrylate (GMA

Abstract Novel waterborne acrylic resin modified with glycidyl methacrylate (GMA) was successfully synthesized via homogeneous solution polymerization in isopropyl alcohol followed by solvent exchange with water.

Advances in water

2.2 Chemical modification The chemical approach is to achieve molecular compatibility between the various substances utilizing copolymerization between the modifier and the aqueous resin, etc. Pablo J. Peruzzo et al. [14] We have synthesized polyurethane/acrylic resin composites with a cross-linked structure by emulsion polymerization of acrylic monomers with preformed polyurethane chains with ...

Journal of Applied Polymer Science

An epoxy resin (E-51)-modified acrylic–polyurethane emulsion with triethylenetetramine (TETA) serving as the postcrosslinking agent was synthesized. The curing reaction between E-51 and the curing agent TETA during the film-forming course was monitored and identified by an infrared spectrophotometer.

Advanced polymeric materials

Emulsion waterborne polyurethane/acrylic hybrids, which use anionic, cationic and non-ionic surfactants as well as acrylic monomers containing hydroxyl groups to form water-based hybrids. This method is environmentally friendly and helpful in producing high-performance materials.this method demonstrates the diversity and versatility of polyurethane/acrylic hybrids, which is widely used in ...

Alcohol-Acid Modified Polyurethane Resin Emulsion

With the continuous advancement of technology, the research, development, and application of new materials have gained increasing attention. Among numerous innovative materials, alcohol-acid modified polyurethane resin emulsion, as a high-performance polymer material, has been widely utilized in construction, automotive, electronics, and other fields in recent years. This article introduces the basic characteristics, properties, and application prospects of this material.

1. Overview of Alcohol-Acid Modified Polyurethane Resin Emulsion

Alcohol-acid modified polyurethane resin emulsion is a high-molecular-weight polymer material primarily composed of polyether polyols, polyisocyanates, chain extenders, catalysts, and other components. Polyether polyols serve as the fundamental building blocks of polyurethane resins, while polyisocyanates are critical raw materials for forming the resin. By adding an appropriate amount of alcohol-based substances, the polyurethane resin can be modified to enhance its performance.

2. Characteristics of Alcohol-Acid Modified Polyurethane Resin Emulsion

1. Excellent Mechanical Properties: The material exhibits high hardness and strength, enabling it to withstand significant external forces. It is suitable for various mechanical equipment and structural components.

2. Superior Abrasion Resistance: Due to the inherent wear resistance of polyurethane resins, alcohol-acid modified polyurethane resin emulsion retains this property, ensuring long service life even under harsh conditions.

3. Fine Chemical Resistance: The emulsion demonstrates strong corrosion resistance against most chemicals, including acids, alkalis, and salts.

4. Outstanding Temperature Resistance: It maintains stable physical properties across a wide temperature range, making it applicable to both high- and low-temperature environments.

5. Ease of Processing: The emulsion can be processed via multiple techniques, such as extrusion, injection molding, and blow molding, to meet diverse product requirements.

3. Application Prospects of Alcohol-Acid Modified Polyurethane Resin Emulsion

1. Construction Materials: It can be used as waterproof coatings, sealants, and flooring materials in architectural engineering to improve water resistance and extend the lifespan of buildings.

2. Automotive Manufacturing: In automobile production, it serves as interior materials, sealing strips, adhesives, etc., enhancing safety and comfort.

3. Electronics: In electronic devices, it functions as insulating materials, adhesives, and coatings, improving electrical performance and durability.

4. Medical Devices: It can be applied as medical-grade materials and adhesives to enhance the performance and safety of medical instruments.

5. Environmental Protection: The emulsion is also employed in wastewater treatment and exhaust gas purification, leveraging its excellent adsorption and corrosion resistance.

alcohol-acid modified polyurethane resin emulsion, as a high-performance polymer material, holds broad application prospects. With ongoing technological advancements, it is anticipated that more novel variants of this material will be developed, contributing further to human progress.