1、C9石油树脂_百度百科

C9石油树脂是以裂解制乙烯装置的副产物C9馏分为主要原料，在催化剂存在下聚合，或将其与醛类、 芳烃、萜烯类化合物进行共聚合而制得的热塑性树脂。 它的分子质量一般小于 2 000，软化点小于 150 ℃，呈热塑性粘稠液体或固体。

2、Analysis of Petro resin C9

Analysis of Petro resin C9 Synonyms: Aromatic hydrocarbon resins Package: 25 kg/bag Manufacture/ country: Henghe Material/China

3、What are the quality standards for C9 Petroleum Resin?

It is usually measured on the Gardner scale. A lighter color indicates a higher purity and fewer impurities in the resin. In applications such as transparent adhesives and coatings, a light - colored resin is highly preferred as it won't affect the appearance of the final product.

Rheological properties of C9 petroleum resin solutions

PDF | This paper investigates the rheological properties of C9 petroleum resin solutions, synthesized through different oligomerization methods.

Petroleum Resin C9

-Petroleum Resin C9 is low molecular weight thermoplastic aromatic resin produced from petroleum derived C9 fraction through thermal-polymerization technique. It is transparent flake solid with the color of yellow to light brown.

C9 Petroleum Resin

C9 thermal-polymerization hydrocarbon resin is widely used in anti-corrosive coating, alkyd-based enamel, aluminium paint, varnish, marine paint, offset ink, newspaper ink and rubber compounding.

About C9 Hydrocarbon Resins

What is C9 Hydrocarbon Resin? C9 hydrocarbon resin is produced by C9 fraction by products of petroleum cracking through pretreatment, polymerization and distillation.

C9 petroleum resins_化工百科

C9 petroleum resins - 简介 石油树脂是一种由石油中提取的天然或合成树脂。 它具有以下性质： 它在常温下通常是不溶于水的，但可溶于多种有机溶剂，并具有良好的粘附性。 化学性质：石油树脂是非极性物质，具有较好的耐化学性和耐氧化性。

C9 PETROLEUM (HYDROCARBON) RESIN

C9 Petroleum (Hydrocarbon) Resin is a low molecular weight thermoplastic aromatic resin produced from petroleum derived C9 fraction through thermal-polymerization technique.

C9 Petroleum Hydrocarbon Resin

Paints: Paints primarily use C9 petroleum resins with high softening points. Adding petroleum resins to paints can increase gloss, improve film adhesion, hardness, and acid and alkali resistance. Tires and rubber: Tires and rubber primarily use C9 petroleum resins with low softening points.

Petroleum resin C9 is an important chemical raw material widely used in coatings, inks, adhesives, plastics, and other fields. Testing the quality of petroleum resin C9 is critical to ensuring product quality and safety. This article introduces the methods for testing petroleum resin C9 from the following aspects:

I. Appearance and Color

1. Observe the appearance of petroleum resin C9, which should be a colorless or light yellow transparent liquid.
2. Check whether the color of petroleum resin C9 is uniform without visible impurities.
3. Use professional equipment such as a spectrophotometer to analyze the color, ensuring it meets relevant standards.

II. Density and Viscosity

1. Measure the density of petroleum resin C9 using a densitometer, typically ranging between 0.85–0.9 g/cm³.
2. Determine the viscosity using a rotational viscometer, selecting an appropriate viscosity range based on its application.
3. Compare with standard substances to ensure the density and viscosity meet requirements.

III. Acid Value

1. Use acid-base titration to measure the acid value of petroleum resin C9, typically between 0.04–0.06 mg/g.
2. Compare with standard substances to confirm compliance.

IV. Moisture Content

1. Analyze moisture content using a Karl Fischer titrator, with typical values between 0.01–0.03%.
2. Verify compliance by comparing with standard substances.

V. Volatile Content

1. Determine volatile content using gas chromatography, typically ranging from 0.1–0.5%.
2. Ensure compliance by contrasting with standard materials.

VI. Thermal Stability

1. Heat petroleum resin C9 to a specified temperature and observe color changes and decomposition.
2. Evaluate thermal stability using a thermogravimetric analyzer (TGA) by measuring weight loss rates.
3. Compare with standard substances to confirm thermal stability requirements.

VII. Mechanical Strength

1. Test tensile strength and elongation at break using a tensile testing machine, typically ranging from 0.5–1.5 MPa.
2. Measure Shore hardness using a durometer, with values between 70–90.
3. Ensure mechanical strength meets standards by comparing with control samples.

VIII. Chemical Resistance

1. Soak petroleum resin C9 in various chemicals and observe color changes and dissolution.
2. Conduct corrosion tests using chemical reagents to assess chemical resistance.
3. Verify compliance by contrasting with standard substances.

IX. Environmental Performance

1. Use gas chromatography to measure volatile organic compounds (VOCs) and ensure compliance with environmental standards.
2. Compare with standard substances to confirm environmental performance.

X. Safety

1. Conduct combustion tests using a flame tester to observe burning characteristics and residues.
2. Ensure safety compliance by comparing with standard substances.

The above methods provide a comprehensive framework for testing petroleum resin C9, ensuring its quality meets relevant standards. Enterprises should establish robust testing systems and conduct regular inspections to guarantee product stability and reliability.