Category: Work

What can the byproducts of EDTMPS be used for?

December 18, 2025 admin No Comments

For a large-volume chemical like EDTMPS (Ethylenediamine Tetra(methylene phosphonic acid) Sodium Salt), the utilization of its synthesis byproducts is crucial for process economics and environmental footprint. Key Point: The “byproducts” we discuss here are primarily generated during its chemical synthesis (via the Mannich reaction of ethylenediamine, phosphorus trichloride, and formaldehyde), not during its end-use. Their value and usability…

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What are the main components of PBTC•Na4?

December 16, 2025December 16, 2025 admin No Comments

PBTC•Na₄ refers to the tetra-sodium salt of 2-Phosphonobutane-1,2,4-tricarboxylic acid. Its composition is not simply PBTC mixed with sodium hydroxide; it’s a specific, partially neutralized form with defined properties for commercial use. Here’s a detailed breakdown of its main components and their significance. 1. Primary Active Component: PBTC Tetra-Anion The core functional molecule is the PBTC ligand in its…

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Are there any alternatives to HEDP•K2?

December 15, 2025December 15, 2025 admin No Comments

Yes, there are several alternatives to HEDP·K₂ (Hydroxyethylidene Diphosphonic Acid Dipotassium Salt), and the choice depends primarily on the specific application and the key property you aim to replace. The alternatives can be grouped into three main categories: 1. Alternatives for Its Chelating/Scale Inhibition Function These replace HEDP’s core chemical function, regardless of the cation (K⁺). Used in water treatment, cleaning,…

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Can PBTC replace ATMP?

December 9, 2025 admin

Yes, PBTC can replace ATMP in many applications, and often does so with significant performance advantages. However, it is not a universal 1:1 substitute, and the decision depends on specific water conditions, treatment goals, and cost considerations. Here’s a detailed comparison to guide your decision. Core Comparison: PBTC vs. ATMP Feature PBTC (Phosphonobutane-1,2,4-Tricarboxylic Acid) ATMP (Amino Trimethylene…

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Chemical properties of HPMA

December 5, 2025 admin No Comments

As with previous discussions, it’s crucial to specify which HPMA you are referring to. Their chemical properties are vastly different. I will provide detailed properties for both major types. 1. Chemical Properties of HPMA as a Monomer: N-(2-Hydroxypropyl)methacrylamide This is a small molecule monomer used to synthesize biomedical polymers. Property Description Chemical Formula C₇H₁₃NO₂ Molecular Weight 143.18…

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What is the chemical structure and molecular weight range of HPMA?

December 4, 2025 admin No Comments

HPMA (Hydrolyzed Polymaleic Anhydride) is a low-to-medium molecular weight water-soluble polymer widely used as a scale and corrosion inhibitor in water treatment, especially in high-temperature and high-hardness conditions. 1. Chemical Structure HPMA is produced by the hydrolysis of polymaleic anhydride. Its structure consists of a carbon-carbon backbone with carboxylic acid side groups. Basic Repeating Unit: The polymer chain is primarily…

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Can PCA be used in combination?

December 3, 2025 admin No Comments

PCA (Polycarboxylic Acid-type superplasticizers, commonly known as Polycarboxylate Ethers or PCEs) can and frequently are used in combination with other admixtures or materials to achieve synergistic effects, enhance performance, or reduce costs. The key is to ensure compatibility between the components. Here are the most common and practical combinations: 1. PCA (PCE) + Other Chemical Admixtures This…

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What should be noted about MA-AA·Na?

December 1, 2025December 1, 2025 admin No Comments

MA-AA·Na refers to the Sodium Salt of Maleic Acid – Acrylic Acid Copolymer, a very common and important water treatment polymer. When discussing its use and handling, several key technical, safety, and application points must be noted. Here is a comprehensive overview of what should be noted about MA-AA·Na: 1. Core Properties & Function (What It…

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What precautions should be taken when using HEDP•Na4 in textiles?

November 28, 2025November 28, 2025 admin No Comments

Using HEDP•Na₄ (Tetra Sodium Salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid) in textile processing is highly effective for its roles in scale inhibition, chelation, and peroxide stabilization. However, to ensure optimal results, fabric quality, and operational safety, specific precautions must be strictly observed. Here is a structured guide to the key precautions: 1. Dosage Control: The Most Critical Precaution…

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Which types of scale is PESA most effective against?

November 26, 2025 admin No Comments

PESA (Polyepoxysuccinic Acid) is most effective against two primary types of scale: carbonate scales, and to a very good extent, sulfate scales. Its performance can be broken down by scale type as follows: Highly Effective Calcium Carbonate Scale (CaCO₃): This is PESA’s strongest suit. It exhibits an excellent “threshold effect,” meaning a very small amount can…

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