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Introduction to the Characteristics and Uses of Polymerized Rosin

Jun / 20, 2024

Introduction to the Characteristics and Uses of Polymerized Rosin
① Name and Properties English Name: Polymerized Rosin Alternative English Names: Rosin, Polymerised CAS Number: 65997-05-9 Physical Properties: Yellow-brown amorphous solid. Polymerized rosin is primarily composed of dimers, along with a mixture of rosin and rosin hydrocarbons. It is characterized by light color, high softening point, non-crystallinity, high acid value, low hot water-soluble content, good oil solubility, and light lead acetate discoloration. Dimers account for 20% to 50% and are relatively stable, resisting oxidation. It is soluble in organic solvents such as toluene, gasoline, petroleum ether, chloroform, and dichloroethane. Properties Target Values (Spec Limits) Type PR 90 PR 115 PR 140  Appearance Yellow Transparent Solid  Color Gardner  ≤7 ≤10 ≤10 Softening Point (R&B)°C 88-93 110-120 135-145 Acid Value, mgKOH/g ≤165 ≥145 ≥140 Density (20°C, abt., g/cm³) 1.08-1.1 1.08-1.1 1.08-1.1 ② Chemical Formula or Molecular Formula and Structural Formula Molecular Formula: C40H60O4 (Note: This is a simplified or representative molecular formula, as polymerized rosin is a mixture, so the specific structure may vary depending on the degree of polymerization.) ③ Physical and Chemical Properties and Quality Indicators Softening Point: 90 to 120°C (This is the temperature range at which polymerized rosin begins to flow when heated.) Acid Value: 150 mg KOH/g (This is a measure of the acidic component content in polymerized rosin, typically expressed as the milligrams of potassium hydroxide required to neutralize 1 gram of the sample.) Other Quality Indicators: See the provided table. ④ Main Applications As a Tackifying Resin: Used in hot-melt, pressure-sensitive, and solvent-based adhesives to enhance adhesion and provide reinforcement effects. Improving Bonding Strength: Enhances the heat sensitivity of adhesive tapes and improves bonding strength. Reducing Product Costs: Can partially replace other costlier resins, such as terpene resin and petroleum resin. EVA Hot-Melt Adhesive: Provides optimal comprehensive performance when used in EVA hot-melt adhesives. The usage amount is typically optimized based on specific applications and desired properties, but 50% usage is often recommended, or 120 parts by mass for maximum peel strength.
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Dragon Boat Festival Holiday Notification

Jun / 07, 2024

Dragon Boat Festival Holiday Notification
According to the national statutory holiday schedule and our company's actual situation, we hereby notify you of the Dragon Boat Festival holiday arrangement in 2024 as follows: I. Holiday ScheduleThe Dragon Boat Festival holiday will be from June 8th, 2024 (Saturday) to June 10th, 2024 (Monday), with a total of 3 days off. Work will resume on June 11th, 2024 (Tuesday). II. Duty ScheduleDuring the holiday, our company will arrange duty personnel to ensure the normal operation of the company. If there are any urgent matters, please contact the relevant departments in advance, and we will serve you wholeheartedly. III. Safety ReminderWhile enjoying the holiday, please pay attention to personal safety and property safety, abide by traffic rules, and refrain from driving after drinking. We wish you all a pleasant holiday. As a "high-tech enterprise," ecopower specializes in the production, research and development, and sales of sulfur-containing silane coupling agents and other functional group silane coupling agents, precipitated silica, hydrogenated petroleum resin, rosin resin, chlorosulfonated polyethylene (CSM), and other products. Our products are widely used in rubber shoes, rubber tires, paints and coatings, road marking paints, silicone sealants, polyether modified sealants, hot-melt adhesives, and other industries. We appreciate the long-term trust and support from our customers and partners. We will continue to work hard to provide you with better products and services. We wish you all a happy Dragon Boat Festival and a blissful family!
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Introduction to DCPD Petroleum Resin and Applications

Jun / 06, 2024

Introduction to DCPD Petroleum Resin and Applications
DCPD Petroleum Resin, a white thermoplastic resin with a low molecular weight, is derived from the polymerization of dicyclopentadiene (DCPD). This resin possesses unique properties that make it suitable for a wide range of applications. Properties of DCPD Petroleum Resin Color and Thermal Stability: It is a white resin that maintains its color stability even in high-temperature conditions. Excellent Compatibility: It exhibits good compatibility with various materials such as rubber, esters, polyurethanes, and epoxy resins. Modification Capabilities: As a modifier, it can reduce the polymerization force of epoxy resins, enhance the adhesion of coatings, and improve the shrinkage properties of cement and steel. Enhanced Wettability: It enhances the wettability of coatings, leading to improved flow and leveling properties of paint films. High Softening Point: The high softening point ensures good durability and heat resistance. Applications of DCPD Petroleum Resin Rubber Industry Used in butyl rubber damping sheets for improved damping effect and longer lifespan. Enhances the performance and durability of radial and bias tires. Provides elasticity and durability to inner tubes and other synthetic rubber products. Paint Industry Applied in marine paints for superior weather and corrosion resistance. Improves the gloss and durability of varnishes, alkyd, epoxy, and polyester paints. Enhances the adhesion and durability of metallic coatings like gold and silver paints. Used in adhesives and electrical engineering materials for improved bonding and electrical properties. Ink Industry Improves the color vibrancy and clarity of gravure and letterpress inks. Enhances the printing performance of UV inks, water-based inks, and other high-end inks. Plastic Industry Used as a modifier in plastic products to improve their physical and chemical properties. Paired with epoxy resins as a curing modifier to enhance their curing speed and performance.
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Chlorosulfonated Polyethylene Rubber

May / 09, 2024

Chlorosulfonated Polyethylene Rubber
Chlorosulfonated Polyethylene Rubber (CSM), also known as Hypalon or CSPE, is a high-performance specialty rubber. It is an elastic material with a special chemical structure produced by chemical treatment of polyethylene as the main raw material through chlorination and chlorosulfonation processes. Due to the introduction of chlorosulfonyl active groups in its molecular structure, this rubber exhibits many unique properties. Key Performance Characteristics Excellent Chemical Resistance: Chlorosulfonated polyethylene rubber has good resistance to strong acids, bases, and various other chemical media. Outstanding Weatherability and Aging Resistance: It can be used for extended periods in various climatic conditions without aging, cracking, or deteriorating. Resistance to Ozone: It can resist ozone erosion, extending its service life. Good Heat and Cold Resistance: It maintains good elasticity and mechanical properties within a wide temperature range. Resistance to Oil, Flame, and Wear: It is not easily swollen in oily environments, has good flame retardancy, and excellent wear resistance. Electrical Insulation: It is an ideal insulating material for the electrical industry. Application Fields Packaging and Sealing Materials: Due to its excellent acid and chemical resistance, it is often used to manufacture various acid-resistant packaging materials and seals. Automotive Industry: Chlorosulfonated polyethylene rubber has extensive applications in the automotive industry abroad, such as in the manufacturing of fuel tanks, oil pipes, seals, and other components. Corrosion-resistant Equipment: In chemical, petroleum, pharmaceutical, and other industries, it is commonly used to manufacture linings, protective covers, and other components for corrosion-resistant equipment. Other Fields: It also finds applications in wire and cable, shipbuilding, aerospace, building waterproofing, and other industries. As a high-performance specialty rubber, chlorosulfonated polyethylene rubber has broad application prospects in many fields due to its unique properties. With technological advancements and process improvements, its performance and application areas are expected to expand further. Specifications Test Item CSM 30 CSM 40 CSM 45 Volatile(wt% less or equal) 1.5 1.5 1 Chlorine content(wt%) 40-60 33-37 23-27 Sulfur content(wt%) 0.8-1.2 0.8-1.2 0.8-1.2 Mooney viscosity( ML 1+ 4 100 °C ) 60-90 41-60 30-50 Tensile strength (Mpa more or equal) 25.0 25 20.0 Elongation at break(% more or equal) 450 450 400
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Notice of May Day Holiday

Apr / 30, 2024

Notice of May Day Holiday
Notice of May Day Holiday Dear Valued Customers, With the approaching of the May Day holiday, all the staff of Ecopower New Materials. would like to extend our sincere greetings and best wishes to you! To ensure our employees have a well-deserved rest and the work arrangements during the holiday are properly managed, we hereby notify you of our holiday schedule and related matters as follows: I. Holiday ScheduleThe May Day holiday will commence on Wednesday, May 1, 2024, and end on Sunday, May 5, 2024, spanning a total of five days. II. Duty ArrangementsTo ensure prompt response to customer needs during the holiday, our company will arrange staff to take turns on duty. If you have any urgent business requirements, please feel free to contact us at the following details: Contact Number: +86 13535079376Email: sales@ecopowerchem.com III. RemindersDuring the holiday, please make advance arrangements for your related business to ensure that your work is not affected. If you have any questions or need assistance, please contact us at any time, and we will be happy to serve you. Once again, we sincerely thank you for your continuous support and trust in Ecopower New Materials., Ltd. We promise that after the holiday, we will go all out to continue providing you with quality products and services. We wish you a pleasant and safe May Day holiday!
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Precipitated Silica in Ink

Apr / 24, 2024

Precipitated Silica in Ink
Introduction to Precipitated Silica Precipitated silica is a non-metallic material, mainly composed of silicon dioxide (SiO₂). It appears as a white powder and exhibits excellent chemical stability. It is insoluble in water and any solvent, non-combustible, and resistant to most acids and alkalis. Due to its small particle size and large surface area, it has high surface activity, providing good thickening, suspension, anti-settling, and rheological properties. Precipitated silica is commonly used as an industrial filler due to its unique physical and chemical properties. It finds wide applications in various fields including rubber, plastics, coatings, and inks. This article will focus on the application of precipitated silica in the ink industry, exploring how it enhances the performance of ink products.   Applications in Ink 01 Enhancing Viscosity and Consistency Controlling the viscosity and consistency of ink is crucial in the ink preparation process. Silicon Dioxide Provide, with its small particle size and large surface area, can form an effective filler network in ink, increasing internal friction and thus effectively improving ink viscosity and consistency. This is important for preventing ink stratification during storage and usage, ensuring ink stability during the printing process. 02 Improving Anti-Settling Properties During prolonged storage, pigments and fillers in ink may settle, affecting ink uniformity and print quality. Precipitated silica can effectively improve the anti-settling properties of ink. The principle lies in the dispersed precipitated silica particles forming a stable three-dimensional network structure in the ink, hindering the settling of pigment and filler particles, thus maintaining ink uniformity. 03 Enhancing Wear Resistance and Scratch Resistance In high-speed printing processes, wear resistance and scratch resistance of ink are essential factors in ensuring print quality. The application of precipitated silica in ink can significantly enhance the wear resistance and scratch resistance of printed materials. This is attributed to the good hardness and strength of precipitated silica, which can form a strong film layer after ink drying, reducing surface wear and scratches on printed materials. 04 Adjusting Glossiness The glossiness of ink directly impacts the appearance and texture of printed materials. By controlling the amount and dispersion of precipitated silica added, ink glossiness can be effectively adjusted. Higher amounts of precipitated silica addition or poor dispersion can lead to reduced ink glossiness, while an appropriate amount of well-dispersed precipitated silica can maintain ink glossiness to meet the requirements of different printed materials. 05 Improving Print Adaptability Print adaptability of ink refers to its stability and applicability under different printing conditions. The addition of precipitated silica can improve the rheological properties of ink, making it more suitable f...
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C5 Petroleum Resins in Adhesive

Apr / 18, 2024

C5 Petroleum Resins in Adhesive
C5 petroleum resins, also known as C5 hydrocarbon resins, have become increasingly important as viscosity modifiers. Among them, the most common applications are in hot melt adhesives, pressure-sensitive adhesives, and the rubber tire industry. Petroleum resins are suitable for use in hot melt adhesives, pressure-sensitive adhesives, and rubber tires. They exhibit excellent compatibility with styrene block copolymers (SIS, SBS, SEBS, SEPS), natural rubber, synthetic rubber, EVA, and other materials. They also show good compatibility with natural viscosity-enhancing resins such as terpenes, rosin, and their derivatives, leading to various improvements in adhesive performance. In recent years, C5 petroleum resins have gradually replaced natural viscosity-enhancing resins due to their high peel adhesion strength, fast initial tack, stable bonding performance, moderate melt viscosity, good heat resistance, excellent compatibility with polymer matrices, and low cost. The characteristics of C5 petroleum resins in adhesive systems include: Good flowability, which improves the wetting of the substrate material. Excellent tackiness, with outstanding initial tack properties. Superior aging resistance. Optimal balance between cohesive strength and peel strength. Light color. Transparent, low odor, and low volatility. Product List Item Softening Point (°C) Color  Gardner Acid Value (Mg KOH/g) Specific Gravity (20/20°C) Melt Viscosity (BRF, @200°C, cps) Test Method ASTM E 28 ASTM D 1544 ASTM D 974 ASTM D 71 ASTM D 3236 HC 5100 95-105 #3-5 ≤1.0 0.92-0.99 200 max HC 52100A 95-105 #3-5 ≤1.0 0.92-0.99 200 max DCPD RESIN 95-120 #0-3 ≤0.05 0.92-0.99 170 max HC 5090 85-95 #4 ≤1.0 0.92-0.99 200 max HC 52100 100-105 #3-4 ≤1.0 0.92-0.99 250 max
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 R105 Rosin Resin: Road Marking Paint

Apr / 16, 2024

R105 Rosin Resin: Road Marking Paint
Ecopowr new material has launched a special rosin resin product designed for road marking paint—R105. With its unique technological charm, this rosin resin brings a whole new change to road marking paint. R105 rosin resin for Hot Melt Road-Marking, with its special chemical structure, provides excellent adhesion and bonding strength for road marking paint. It can tightly adhere to the road surface, ensuring the durability and stability of the markings. Whether facing harsh weather conditions or complex road environments, R105 maintains stable performance, providing long-lasting protection for road markings. Specifications Test Items R105 Appearance & Color 2-4 Softening Point (R&B)℃ 103-107 Acid value.(mg KOH/g) ≤20 Solubility in Benzene(1:1) Clear R105 rosin resin also boasts outstanding gloss and waterproof properties. It enhances the glossiness of the markings, making them more visible and improving nighttime driving safety. Additionally, R105 effectively prevents water penetration, enhancing the durability of the markings, even in humid environments, maintaining clear lines. Furthermore, R105 rosin resin has filling and thickening functions. It can fill in tiny pores in the road marking paint, making the surface smoother. Moreover, R105 increases the viscosity of the paint, ensuring uniformity and stability during application, preventing paint loss and dripping. R105 rosin resin also exhibits excellent anti-corrosion, insulation, and adhesive properties. It effectively prevents corrosion and damage to the markings, prolonging their lifespan. Additionally, the insulation properties of R105 protect electrical facilities, enhancing the safety of road markings. With its outstanding performance and versatility, R105 rosin resin becomes a technological favorite in the field of road marking paint. It not only improves adhesion, glossiness, and waterproofing of the markings but also offers filling, thickening, anti-corrosion, and insulation functions. By using R105 rosin resin, road marking paint can better meet the demands of modern traffic, ensuring safe and smooth driving. We look forward to R105 rosin resin playing a greater role in the field of road marking paint, contributing more to the development of urban transportation.
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Tomb Sweeping Day

Apr / 03, 2024

Tomb Sweeping Day
Holiday Notice The Tomb Sweeping Day will be from April 4th (Thursday) to April 6th (Saturday), 2023, totaling 3 days. Normal work will resume on April 7th (Sunday).   Duty Arrangements Please arrange duty shifts well in advance for each department to ensure the smooth operation of the company and prompt handling of urgent matters during the holiday. In case of any emergency, please contact the relevant department heads promptly.   Company Introduction Guangzhou Ecopower New Material Co., Ltd. is a high-tech enterprise specializing in the research, development, production, and sales of sulfur-containing silane coupling agents, other functional group silane coupling agents, precipitated silica, hydrogenated petroleum resin, rosin resin, and chlorosulfonated polyethylene (CSM). Our products are widely used in industries such as rubber shoe soles, rubber tires, coatings and paints, road marking paints, silicone sealants, polyether modified sealants, and hot melt adhesives. We continue to uphold the corporate philosophy of "Innovation, Quality, and Service" to provide customers with superior products and services. Here, we wish everyone a safe and peaceful Tomb Sweeping Day.
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Amino Silane Coupling Agent Crosile® 792

Mar / 21, 2024

Amino Silane Coupling Agent Crosile® 792
Crosile® 792 Aminoethylaminopropyltrimethoxysilane can be applied from water or organic solvent solutions or added directly to the blending resin. It mixes well with water and alcohols and is moderately soluble in aromatic solvents. However, its solubility in aliphatic solvents is low. Crosile® 792 polymerizes in water, so solutions should be prepared just before use. To prevent gelation, add the silane to water rather than the reverse. Adjusting the pH of the aqueous solution to around 4 with acetic acid can improve solution stability. Dilute solutions in organic solvents are also possible, with alcohols and aromatic solvents being the most suitable. However, avoid using aldehydes, ketones, acids, esters, and alkyl chlorides. Solutions containing water in organic solvents will only slightly enhance stability compared to water solutions of the silane. Crosile® 792 Trimethoxy[3-[(2-aminoethyl)amino]propyl]silane will cure effectively under typical high-temperature cycles used for curing most thermosetting resins. Proper curing usually occurs during the curing or molding of resin/glass laminates. For fabric or surface treatments, drying the silane is usually sufficient for effectiveness. However, for optimal performance, curing for 3 to 5 minutes at 130°C or higher is recommended. Exposure to temperatures above 130°C at some processing stage is crucial for developing maximum moisture resistance.
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