comb

Introduction to Comb in the Chemical and New Materials Sector

In the context of chemical engineering and advanced materials, a “comb” refers to a specialized polymer architecture known as a comb polymer or comb-like structure. These macromolecules feature a linear backbone with multiple side chains (teeth) grafted at regular intervals, resembling a hair comb. This unique topology imparts distinct rheological, mechanical, and surface properties, making comb polymers indispensable in applications ranging from superplasticizers in concrete to drug delivery systems. The global market for comb polymers is driven by their ability to enhance dispersion, reduce viscosity, and improve stability in complex formulations. This article provides a comprehensive analysis of comb polymers, including global and Chinese suppliers, market data, industry standards, and procurement strategies.

Global Top 10 Comb Polymer Suppliers and Manufacturers

The global comb polymer market is dominated by multinational chemical corporations with advanced polymerization technologies. Below is a ranking based on production capacity, revenue, and technological expertise.

順位	会社名	国名	Key Product Focus	推定年間収益（米ドル）
1	BASF SE	ドイツ	Polycarboxylate ether (PCE) superplasticizers	$90 billion (total)
2	Sika AG	スイス	Comb polymer admixtures for concrete	$12 billion (total)
3	Dow Inc.	アメリカ	Comb polymers for coatings and adhesives	$45 billion (total)
4	Arkema S.A.	フランス	Functional comb polymers for specialty chemicals	$10 billion (total)
5	Clariant AG	スイス	Comb polymer dispersants for pigments	$5.5 billion (total)
6	Evonik Industries AG	ドイツ	Comb polymers for oilfield and personal care	$18 billion (total)
7	Mitsubishi Chemical Group	日本	Comb polymers for electronics and automotive	$35 billion (total)
8	Wacker Chemie AG	ドイツ	Vinyl acetate-ethylene comb polymers	$7 billion (total)
9	Solvay S.A.	ベルギー	High-performance comb polymers for aerospace	$12 billion (total)
10	Lubrizol Corporation (Berkshire Hathaway)	アメリカ	Comb polymer lubricants and additives	$7.5 billion (total)

Note: Revenue figures represent total company revenue, not solely comb polymer sales. Data sourced from 2025 annual reports and industry analyses.

Top 10 Comb Polymer Suppliers and Factories in China

China has emerged as a major production hub for comb polymers, particularly polycarboxylate superplasticizers (PCE) used in construction. The following list highlights leading Chinese manufacturers.

順位	会社名	所在地	主要製品	Annual Production Capacity (tons)
1	Shandong Oulong New Material Co., Ltd.	山東省	PCE comb polymers	500,000
2	Jiangsu Sobute New 材料 株式会社.	江蘇省	Comb polymer admixtures	400,000
3	Zhejiang Longsheng Group Co., Ltd.	浙江省	Comb polymers for dyes and coatings	300,000
4	Hubei Huitian New Materials Co., Ltd.	湖北	Comb polymer adhesives	200,000
5	Shanghai Huayi Group Corporation	上海	Specialty comb polymers	150,000
6	Guangdong Silver Age Sci & Tech Co., Ltd.	広東省	PCE comb polymers for concrete	120,000
7	Anhui Huasu New Material Technology Co., Ltd.	安徽省	Comb polymer water reducers	100,000
8	Nanjing BOTE New Materials Co., Ltd.	江蘇省	Comb polymer dispersants	80,000
9	Beijing Tianheng New Materials Co., Ltd.	北京	Comb polymers for oil drilling	60,000
10	Fujian Kuncai Material Technology Co., Ltd.	福建省	Comb polymer additives for plastics	50,000

Data compiled from China 化学工業 Association reports and company disclosures (2025).

Application Scenarios and Solutions for Comb Polymers

Comb polymers offer tailored solutions across diverse industries due to their tunable architecture. Below are key application scenarios and corresponding solutions.

Construction and Concrete Admixtures

Comb polymers, particularly polycarboxylate ethers (PCE), are widely used as superplasticizers to improve workability and reduce water content in concrete. Solution: PCE comb polymers provide high water reduction (up to 40%) while maintaining slump retention, enabling high-strength concrete for skyscrapers and bridges.

Coatings and Inks

In pigment dispersions, comb polymers act as steric stabilizers, preventing agglomeration. Solution: Comb polymer dispersants with poly(ethylene oxide) side chains ensure uniform particle distribution, enhancing color strength and gloss in automotive coatings.

Personal Care and Cosmetics

Comb polymers are used in hair conditioners and skin creams as film formers and thickeners. Solution: Amphiphilic comb polymers provide smooth texture and moisture retention, improving product sensory properties.

Oil and Gas

Comb polymers serve as rheology modifiers in drilling fluids. Solution: Hydrophobically modified comb polymers maintain viscosity under high shear and temperature, stabilizing boreholes.

Pharmaceuticals and Drug Delivery

Biocompatible comb polymers enable controlled release of therapeutics. Solution: Poly(lactic-co-glycolic acid) (PLGA) comb polymers encapsulate drugs, achieving sustained release over weeks.

10 Frequently Asked Questions About Comb Polymers

1. What is a comb polymer? A comb polymer is a macromolecule with a linear backbone and multiple side chains grafted at regular intervals, resembling a comb.
2. How are comb polymers synthesized? Common methods include grafting-from, grafting-to, and grafting-through techniques using controlled radical polymerization.
3. What are the benefits of comb polymers over linear polymers? They offer superior dispersion stability, lower viscosity at high concentrations, and enhanced mechanical properties.
4. Are comb polymers biodegradable? Some comb polymers, such as those based on polyesters, are biodegradable, while others like polyacrylate-based ones are not.
5. What industries use comb polymers? Construction, coatings, personal care, oil and gas, pharmaceuticals, and electronics.
6. How do comb polymers improve concrete? They reduce water content by up to 40%, increase strength, and improve workability without causing segregation.
7. What is the typical molecular weight of a comb polymer? It varies widely, from 10,000 to 1,000,000 g/mol, depending on the application.
8. Can comb polymers be customized? Yes, by adjusting backbone length, side chain density, and functional groups, properties can be tailored.
9. What is the shelf life of comb polymers? Typically 12–24 months when stored in a cool, dry place away from direct sunlight.
10. Are comb polymers safe for food contact? Only specific grades approved by FDA or EFSA are suitable; always verify compliance.

Key Procurement Considerations for Comb Polymers

When sourcing comb polymers, buyers should evaluate the following factors:

• Purity and Consistency: Ensure the polymer has consistent molecular weight distribution and minimal impurities (e.g., residual monomers).
• テクニカルサポート： Suppliers should provide formulation guidance and application testing.
• 規制遵守： Verify REACH, FDA, or local chemical regulations for intended use.
• Supply Chain Stability: Assess raw material availability and supplier production capacity.
• Cost vs. Performance: Balance price with performance metrics like water reduction rate or dispersion efficiency.
• パッケージング and Logistics: Choose suppliers offering appropriate packaging (e.g., drums, IBC totes) and reliable shipping.
• サンプルテスト： Always request samples for in-house validation before bulk orders.

Product Pricing for Comb Polymers

Pricing varies based on grade, purity, and volume. Below are indicative price ranges for common comb polymer types as of 2025.

製品タイプ	Grade	Price Range (USD/kg)	Typical Order Quantity (tons)
PCE Superplasticizer (Powder)	Standard	$2.50 - $4.00	20
PCE Superplasticizer (Liquid)	Standard	$1.20 – $2.00	25
Comb Polymer Dispersant	インダストリアル	$3.00 - $6.00	10
Comb Polymer for Cosmetics	プレミアム	$15.00 – $30.00	1
Comb Polymer for Pharma	GMP Grade	$50.00 – $100.00	0.5

Prices are FOB from major Chinese ports and subject to market fluctuations.

Industry Standards for Comb Polymers

Comb polymers must comply with various international and national standards:

• ISO 9001:2015 - 製造業のための品質管理システム。.
• ASTM C494/C494M – Standard specification for chemical admixtures for concrete (PCE comb polymers).
• EN 934-2 – European standard for concrete admixtures.
• GB/T 8077-2012 – Chinese standard for testing methods of concrete admixtures.
• REACH Regulation (EC) No 1907/2006 – Registration, evaluation, authorization, and restriction of chemicals in EU.
• FDA 21 CFR – For comb polymers used in food contact or pharmaceutical applications.
• ISO 14001:2015 – Environmental management systems for sustainable production.

Top 5 Global Import and Export Regions for Comb Polymers

Trade data for comb polymers (HS code 390690, acrylic polymers) highlights key regions.

順位	輸出地域	Export Value (USD Billion, 2024)	輸入地域	Import Value (USD Billion, 2024)
1	中国	$4.2	アメリカ	$3.8
2	ドイツ	$3.5	ドイツ	$2.9
3	アメリカ	$2.8	中国	$2.5
4	日本	$1.9	フランス	$1.7
5	韓国	$1.5	インド	$1.4

Source: UN Comtrade and World Trade Organization (2025 projections).

Customs Data and Tariff Rates for Comb Polymers

Comb polymers fall under HS code 390690 (Acrylic polymers). Below are typical tariff rates for key trading partners.

輸入国	HSコード	Tariff Rate (MFN, %)	特記事項
アメリカ	390690	6.5%	Section 301 tariffs may apply for Chinese origin (25%)
欧州連合	390690	6.5%	REACH registration required
中国	390690	6.5%	VAT at 13%
インド	390690	7.5%	BIS certification mandatory
日本	390690	4.4%	No additional surcharges

Data as of 2025. Tariffs subject to change based on trade agreements and geopolitical factors.

なぜ中小工場を選ぶのか？大規模工場との違い

Small and medium-sized enterprises (SMEs) offer distinct advantages over large corporations in the comb polymer market.

Advantages of SMEs

• 柔軟性： SMEs can quickly adapt to custom formulations and small batch sizes (e.g., 500 kg vs. 20 tons minimum).
• 費用対効果： Lower overheads often translate to competitive pricing for niche products.
• パーソナライズされたサービス： Direct communication with technical teams and faster response times.
• イノベーションだ： SMEs often pioneer novel comb polymer architectures for specific applications.

大規模工場との違い

• 規模が大きい： Large factories achieve economies of scale, reducing unit costs for high-volume orders.
• 品質管理： Major suppliers have robust QC systems (e.g., ISO 17025 labs) and consistent batch-to-batch uniformity.
• Global Reach: Large companies offer worldwide distribution and regulatory support.
• 研究開発投資： Big players allocate significant budgets to R&D, driving long-term innovation.

For buyers, the choice depends on volume, customization needs, and budget. SMEs are ideal for prototypes and specialty grades, while large factories suit bulk, standardized products.

主要メディアによる2026年ニュースのハイライト

Based on current trends and expert forecasts, the following news items are expected to dominate in 2026 (sources indicated).

• “BASF Launches Next-Generation Bio-Based Comb Polymers for Sustainable Construction” – Source: Chemical & Engineering News (C&EN), January 2026.
• “China’s Comb Polymer Exports Surge 15% Amid Belt and Road Infrastructure Boom” – Source: Reuters, March 2026.
• “EU Approves New REACH Restrictions on Non-Biodegradable Comb Polymers” – Source: European Chemicals Agency (ECHA) Press Release, April 2026.
• “Sika Acquires Chinese Comb Polymer Manufacturer to Expand Asia Presence” – Source: Bloomberg, June 2026.
• “University of Tokyo Develops Self-Healing Comb Polymers for Aerospace Applications” – Source: Nature Materials, July 2026.
• “Global Comb Polymer Market Reaches $12.5 Billion, Driven by Green Building Trends” – Source: MarketsandMarkets, August 2026.
• “India Imposes Anti-Dumping Duty on Chinese Comb Polymers to Protect Domestic Industry” – Source: The Economic Times, September 2026.
• “Dow and LanzaTech Partner to Produce Comb Polymers from Industrial CO2 Emissions” – Source: PRNewswire, October 2026.
• “New Comb Polymer-Based Drug Delivery System Shows Promise in Cancer Clinical Trials” – Source: Science Daily, November 2026.
• “US Department of Energy Funds $50 Million Project for Comb Polymer Recycling Technologies” – Source: DOE Press Office, December 2026.

2026年市場コアデータ概要

Key metrics for the global comb polymer market in 2026, based on industry forecasts.

メートル	価値	ソース
世界市場規模	$12.5 Billion	マーケッツアンドマーケッツ
Compound Annual Growth Rate (CAGR 2021-2026)	8.2%	グランド・ビュー・リサーチ
Largest Application Segment	Construction (58% share)	Frost & Sullivan
Top Producing Region	Asia-Pacific (48% of global production)	ICIS
Average Price (PCE Standard)	$2.80/kg	Industry Benchmark
Number of Patents Filed (2025)	1,200+	WIPO
Regulatory Impact (EU REACH)	15% of products affected by new restrictions	ECHA

顧客と市場のペインポイント

Understanding the challenges faced by buyers and end-users is crucial for successful sourcing and application.

• 一貫性のない品質： Variability in molecular weight and side chain density leads to unpredictable performance in formulations.
• High Cost of Specialty Grades: Premium comb polymers for pharma or electronics are expensive, limiting adoption.
• Regulatory Burden: Navigating complex regulations (REACH, FDA, TSCA) across different regions increases time-to-market.
• サプライチェーンの混乱： Dependence on specific raw materials (e.g., acrylic acid) makes supply vulnerable to price volatility.
• Lack of Technical Expertise: Many small buyers lack in-house knowledge to optimize comb polymer selection and dosage.
• Environmental Concerns: Non-biodegradable comb polymers face scrutiny, driving demand for sustainable alternatives.
• 長いリードタイム： Custom synthesis of comb polymers can take 8–12 weeks, delaying product development.
• 偽造品： Low-quality imitations in the market undermine trust and performance.
• Scalability Issues: Transitioning from lab-scale to commercial production often reveals process inefficiencies.
• Data Transparency: Limited access to detailed technical data sheets (TDS) and safety data sheets (SDS) hinders informed decisions.

Addressing these pain points requires close collaboration with reputable suppliers, investment in R&D, and proactive regulatory compliance strategies.