1、Final Report on the Safety Assessment of Polyvinyl Acetate

POLYVINYL ACETATE, AS USED in cosmetic products and reviewed in this report, is the latex emulsion rather than the solid form. All available safety test data on Polyvinyl Acetate is included in this report. Some safety test data on films and polymers of vinyl acetate are also included.

2、Safety Data Sheet: Polyvinyl acetate

According to the results of its assessment, this substance is not a PBT or a vPvB. Does not contain an endocrine disruptor (ED) at a concentration of ≥ 0,1%. Take off contaminated clothing. Provide fresh air. Rinse skin with water/shower. Rinse cautiously with water for several minutes. Rinse mouth. Call a doctor if you feel unwell.

3、POLYVINYL ACETATE

A study in which 96 rats were exposed 6 h/day 5 days/ wk to vinyl acetate at a concentration of 8750 mg/m3 for 1 year (observed until death) revealed that exposure did not influence the incidence of neoplasms [Final report on the safety assessment of polyvinyl acetate, 1992].

4、VINYL ACETATE

This report provides a summary, with conclusions, of the risk assessment report of the substance vinyl acetate that has been prepared by Germany in the context of Council Regulation (EEC) No. 793/93 on the evaluation and control of existing substances.

Final Report on the Safety Assessment of Polyvinyl Acetate

Carcinogenic implantation studies using mice gave negative results. It is concluded that the data available are insufficient to support the safety of Polyvinyl Acetate as currently used in cosmetic products. The types of data needed to complete the safety evaluation are listed in the report.

Experimental Report on Polyvinyl Acetate

In this research work, the vinyl acetate (VAc)/ VAE hybrid emulsion and polyvinyl acetate emulsion (PVAc) were effectively synthesized. Emulsions with various characteristics have been developed by adjusting the weight ratios between the vinyl acetate monomer and the VAE component.

CIR Portal Ingredient Status Report · Starter Portal

The following table provides a quick view of the status of CIR reports that include this ingredient. Clicking on the STATUS will provide you an explanation of the status of the ingredient and a copy of the relevant report available from CIR.

聚醋酸乙烯酯PVAC的质量检测标准

妮秦集团生产的聚醋酸乙烯酯PVAC树脂执行严格的质量控制政策，每批次生产都要经过严格的检测，测试合格后，才会结束生产。

聚乙酸乙烯酯_百度百科

聚乙酸乙烯酯（Polyvinyl acetate，简称PVAc）的研究始于20世纪初。 1912年，德国化学家Fritz Klatte首次通过乙酸乙烯酯的聚合合成了该物质，并获得了相关专利。

FINAL REPORT ON THE SAFETY ASSESSMENT OF POLYVINYL ACETATE

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I. Introduction

Polyvinyl acetate (PVAc) is a common thermoplastic resin widely used in plastics, adhesives, coatings, and other fields. Due to its excellent properties and broad application range, quality inspection of PVAc is particularly important. The purpose of this inspection is to conduct a detailed chemical composition analysis and physical performance test on a specific batch of PVAc to ensure it meets relevant standard requirements.

II. Inspection Methods and Procedures

1. Chemical Composition Analysis: The main components of the sample, including the primary chain structure, side chain structure, and potential impurities, were analyzed using High-Performance Liquid Chromatography (HPLC).

2. Physical Performance Testing:

   • Melt flow properties were measured using a Melt Flow Index Tester.
   • Mechanical properties, such as tensile strength and flexural strength, were tested with a Universal Testing Machine.
   • Impact resistance was assessed using an Impact Testing Machine.

3. Thermal Performance Testing: Thermal stability and glass transition temperature during heating were evaluated using a Thermogravimetric Analyzer (TGA) and Differential Scanning Calorimeter (DSC).

4. Optical Performance Testing: Light transmittance and absorbance coefficients were determined using a UV-Vis Spectrophotometer to assess optical properties.

5. Chemical Resistance Testing: The sample was immersed in specific chemicals to observe dissolution and color changes, evaluating its chemical resistance.

6. Microbial Testing: Colony counting and identification were performed using culture media to ensure no harmful microorganisms were present.

7. Environmental Adaptability Testing: Sample performance was observed under simulated extreme conditions, such as high/low temperature and humidity.

III. Results and Analysis

1. Chemical Composition Analysis: The polyvinyl acetate content met expectations, with no significant impurities detected.

2. Physical Performance Testing: The sample demonstrated good melt flow properties and mechanical performance, satisfying general industrial application requirements.

3. Thermal Performance Testing: The sample exhibited good thermal stability during heating, with no significant changes in glass transition temperature.

4. Optical Performance Testing: The sample showed high light transmittance and excellent optical properties, suitable for optical product manufacturing.

5. Chemical Resistance Testing: The sample demonstrated strong resistance to common chemicals, with no signs of corrosion.

6. Microbial Testing: The sample surface was clean, with no harmful microorganisms detected, meeting food-grade material standards.

7. Environmental Adaptability Testing: The sample maintained stable performance under various environmental conditions, with no significant degradation.

IV. Conclusions and Recommendations

After comprehensive inspection, all indicators of the polyvinyl acetate sample met or exceeded relevant standards, confirming its qualified quality. To ensure long-term product stability, it is recommended that manufacturers:

• Strengthen raw material quality control;
• Regularly maintain and service production equipment;
• Enhance employee training and management.

For consumers, it is advised to check production dates, shelf life, and other information when purchasing related products to ensure high-quality selections.