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Chlorinated polypropylene

Chlorinated polypropylene is a thermoplastic resin obtained by chlorinating and modifying polypropylene.

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Resin

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Chlorinated polypropylene

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Product Description

Product Introduction

Chlorinated polypropylene is a thermoplastic resin obtained by chlorinating and modifying polypropylene. It appears as a white, amorphous solid, a white or pale yellow powder, or yellow to pale yellow granules. Chlorinated polypropylene is non‑toxic and soluble in halogenated hydrocarbons, toluene, and other solvents. Depending on its chlorine content, its melting point typically ranges from 80 to 160°C, while its decomposition temperature lies between 70 and 160°C. Products with low chlorine levels begin to decompose slowly above 40°C, and at temperatures exceeding 70°C, the decomposition rate becomes extremely rapid. It finds extensive applications in the coatings (particularly composite inks) and adhesives industries.

Product Name

Chlorinated polypropylene (CPP)

Scope of Application

Due to its excellent adhesion to polypropylene surfaces, CPP also exhibits strong bonding to a variety of materials, including polyethylene, paper, and lead‑based films. Coupled with its favorable properties—such as high hardness, good abrasion resistance, salt‑water resistance, and aging resistance—it is widely used in the printing ink, plastic‑bonding, and metal‑adhesive industries. In particular, it is extensively employed in the production of printing inks for composite materials in the packaging sector, such as double‑layer PP films, PP–paper laminates, and PP–aluminum composites. Additionally, CPP finds limited applications as a pigment carrier in coatings and as a water‑repellent agent. Moreover, because chlorinated polypropylene contains chlorine atoms along its molecular chain, it is also utilized to some extent as a flame retardant.

Technical Specifications

Product	S200	S300	S600PS	L20-25	L200-25	H250-36	H350-38	H10-38
Maleic anhydride graft modification	/	/	/	/	/	/	/	/
Appearance	Pale yellow granules	Pale yellow granules	Pale yellow granules	Pale yellow granules	Pale yellow granules	Pale yellow granules	Pale yellow granules	Pale yellow granules
Solid content, wt%	100%	100%	100%	100%	100%	100%	100%	100%
Viscosity (mPa·s)	200–240 (20%, toluene/methylcyclohexane)	250–350 (20%, toluene)	>350 (20%, toluene)	20–100 (20%, toluene)	150–250 (20%, toluene)	150–250	250–400	5–50
Chlorine content (%)	28~32	28–32	28–32	28–32	24–26	24–26	32–36	36–38
Molecular weight	100000	170000	250000	50,000–100,000	100,000–150,000	70,000–100,000	150,000–180,000	30,000–60,000
Purpose	Ink	Ink	Ink	Ink, coating	Ink, coating	Ink	Ink	Polyurethane ink

Model number	MS10	MS300	MA200-24	MB100-22	MC50-22	MC50-30	MD100-20	MS10
Maleic anhydride graft modification	/	/	/	/	/	/	/	/
Appearance	Pale yellow granules	Pale yellow granules	Pale yellow granules	Pale yellow granules	Pale yellow granules	Pale yellow granules	Pale yellow granules	Pale yellow granules
Solid content, wt%	100%	100%	100%	100%	100%	100%	100%	100%
Viscosity (mPa·s)	10–50	250–350	150–250	10–100	10–50 (20% toluene)	10–50 (20% toluene/n-propyl ester)	10–100 (20% toluene)	10–50
Chlorine content (%)	30–32	28–32	23–25	20–24	20–24	30–32	18–22	30–32
Molecular weight	50,000–100,000	300,000–400,000	130,000–180,000	60,000–120,000	50,000–100,000	30,000–80,000	50,000–150,000	50,000–100,000
Purpose	Ink, coating	Ink, coating	Ink, coatings, adhesives	Ink, coatings, adhesives	Ink, coatings, adhesives	Ink, coatings, adhesives	Ink, coatings, adhesives	Ink, coatings, adhesives

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Chlorinated rubber

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