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Interpretation of the Announcement on 23 New Varieties of Food-related Products Such as Poly(12-Hydroxystearic Acid) Stearate

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1. Poly(12-hydroxystearic acid) stearate (I) Background information. Poly(12-hydroxystearic acid) stearate is polymerized from 12-hydroxystearic acid and stearic acid. It is a solid at room temperature and has a melting point of about 50 ° C and decomposes above 250 ° C. The substance is stable to light, heat and water. The US Food and Drug Administration and the European Commission have approved their use for food contact materials and products.

(2) Process necessity. The substance is used as a dispersant for colorants in plastics, coatings and inks to increase color strength and reduce the amount of colorant used. In addition, the substance can also act as a nucleating agent for polyolefin plastics, which can reduce the spot level of the product and enhance the brightness of the product.

2. Polymer hydrochloride of N,N,N-trimethyl-3-[(1-oxo-2-propen-1-yl)amino]-1-propylammonium chloride with vinylamine (1 :1) (1) Background information. Polymeric hydrochloride of N,N,N-trimethyl-3-[(1-oxo-2-propen-1-yl)amino]-1-propylammonium chloride with vinylamine (1:1 ),Dissolved in water. The US Food and Drug Administration approves its use in food contact materials and products. The Japan Paper Federation did not include this substance in the list of banned substances.

(2) Process necessity. This material acts as a retention, dehydration and pollution control agent in the paper and board production process prior to the sheet forming step, which reduces the amount of other chemicals, improves retention, filter aids, and improves sheet strength.

Third, polyethylene glycol 600 hydroxystearate

(1) Background information. Polyethylene glycol 600 hydroxystearate has a melting point of 25 ° C, an initial decomposition temperature of about 310 ° C, a maximum thermal decomposition temperature of about 410 ° C, and is insoluble in acetone, ethylene glycol and water. The US Food and Drug Administration and the European Commission have approved their use for food contact materials and products. The Japan Association of Hygienic Olefin and Styrene Plastics has included it as an additive for the production of food utensils and packaging containers. Health Canada has approved its use in the production of food contact materials and products.

(2) Process necessity. The substance is used as a polymer additive in food contact materials and products, and can improve the stability of plastic food packaging materials under the specified use conditions.

(3) Precautions for use. Food contact materials and products produced using this material are restricted to foods stored at or below 25 ° C and may not be heat treated. Tetra-trihydroxy polyoxypropylene ether

(1) Background information. The trihydroxy polyoxypropylene ether is a polymer formed by using glycerol as an initiator and 1,2-propylene oxide as a monomer, and is a colorless to yellow liquid having a density of 1.027 g/cm 3 under the test condition of 25 ° C. The boiling point is greater than 200 ° C. The US Food and Drug Administration approved its use for food contact materials and products, and the European Commission approved glycerol and 1,2-epoxypropane for the production of food contact materials and products.

(2) Process necessity. As one of the essential components of polyurethane adhesives, trihydroxy polyoxypropylene ether reacts with isocyanate prepolymers in a bonding process to form polyurethane binders with molecular weights of several hundred thousand to several million for compounding. Food contact materials and products.

(3) Precautions for use. 1. Adhesives produced from this material are used only for the packaging of dry foods and should have an effective barrier between the food (usually a polyethylene or polypropylene film). 2. The average molecular mass of the trihydroxy polyoxypropylene ether should not be less than 250 Daltons. 5. Polymers of 1,4-phthalic acid and 2-methyl-1,3 propanediol, sebacic acid, 1,3-phthalic acid and 1,2-ethanediol (I) Background information. The polymer of 1,4-phthalic acid and 2-methyl-1,3 propanediol, sebacic acid, 1,3-phthalic acid and 1,2-ethanediol is liquid at normal temperature and has a boiling point of 118 °C. The US Food and Drug Administration approved the polymer for use in food contact materials and products. The European Commission has approved all monomers of the polymer for food contact materials and products.

(2) Process necessity. This material is the main film-forming substance of coatings and is an essential part of the coating system.

6. Magnesium nitrate (1) Background information. Magnesium nitrate is a colorless crystal and is soluble in water. The US Food and Drug Administration approved its use for food contact paper and paperboard. The Japan Paper Federation has included this substance in the list of substances allowed for food packaging paper.

(2) Process necessity. Magnesium nitrate is one of the fungicide components used for food contact paper and has a function of stabilizing the bactericidal active ingredient. 7. Ethoxylated C10-C16 alcohol

(1) Background information. The ethoxylated C10-C16 alcohol is a white paste which is soluble in water. The US Food and Drug Administration approved its use for food contact paper and paperboard. The German Federal Risk Assessment Institute has included this substance in the list of recommended food contact materials and products. (2) Process necessity. Ethoxylated C10-C16 alcohol is added as a surfactant to the pulp in the wet end of the papermaking process, which provides a good wetting effect for the polymer flocculant, so that the polymer flocculant can better concentrate the fibers. Together, the retention and filtration rate of the fibers on the forming line of the paper machine and the dewatering performance of the wet end press after forming the web are provided to ensure a stable and fast operation of the paper machine.

Eight, ethoxylated C12-C15 alcohol

(1) Background information. The ethoxylated C12-C15 alcohol is a white paste which is soluble in water. The US Food and Drug Administration approved its use for food contact paper and paperboard. The German Federal Risk Assessment Institute has included this substance in the list of recommended food contact materials and products.

(2) Process necessity. Ethoxylated C12-C15 alcohol is added as a surfactant to the pulp in the wet end of the papermaking process, which provides a good wetting effect for the polymer flocculant, so that the polymer flocculant can better concentrate the fibers. Together, the retention and filtration rate of the fibers on the forming line of the paper machine and the dewatering performance of the wet end press after forming the web are provided to ensure a stable and fast operation of the paper machine. 9, 5-norbornene-2,3-dicarboxylic anhydride

(1) Background information. 5-norbornene-2,3-dicarboxylic anhydride, also known as nadic anhydride, solid at room temperature, melting point 162 ° C -165 ° C, soluble in benzene, toluene, acetone, chloroform, etc., hydrolyzed in water It is a dicarboxylic acid. The US Food and Drug Administration approved the substance for use in food contact materials and products. The European Food Safety Authority has assessed that this substance does not pose a potential safety risk to consumers when used in food contact coatings.

(2) Process necessity. The polymer produced from the substance as a monomer is an essential component of the film-forming material and coating system of the coating.

(3) Precautions for use. Materials and products produced using this material shall not be used to contact or contain beverages.

X. 1,4-phthalic acid and 1,3-phthalic acid, cis-3,6-endomethyl-1,2,3,6-tetrahydrophthalic anhydride, 1,2, Polymer of 4,5-benzenetetracarboxylic anhydride, 1,4-cyclohexanedimethanol, and 2-methyl-1,3-propanediol

(1) Background information. 1,4-phthalic acid and 1,3-phthalic acid, cis-3,6-endomethyl-1,2,3,6-tetrahydrophthalic anhydride, 1,2,4, The polymer of 5-benzenetetracarboxylic anhydride, 1,4-cyclohexanedimethanol, and 2-methyl-1,3-propanediol is liquid at normal temperature and has a boiling point of 138 °C. All monomers constituting the polymer are listed in GB 9685. The US Food and Drug Administration approved the polymer for use in food contact materials and products. The European Commission has approved all monomers of the polymer for food contact materials and products.

(2) Process necessity. This material is the main film-forming substance of coatings and is an essential part of the coating system.

11. 1,4-Dicyclohexylsulfosuccinate sodium

(1) Background information. Sodium 1,4-dicyclohexylsulfosuccinate, molecular formula: C16H25O7SNa, is a common surfactant. The US Food and Drug Administration approved the substance as an emulsifier and surfactant for food contact materials. It is approved by the German Federal Risk Assessment Agency for food contact paper and board.

(2) Process necessity. The declared substance is used as a surfactant in coatings for paper and paperboard to improve the stability of the latex polymer dispersion.

Twelve, the reaction product of 2-ethylhexyl glycidyl ether and polyethylene glycol

(1) Background information. The reaction product of 2-ethylhexyl glycidyl ether and polyethylene glycol is a solid at room temperature, and is dispersed and insoluble in water. The German Federal Risk Assessment Institute has included this substance in the list of recommended food contact materials and products. In addition, the Japan Paper Federation did not include this substance in the list of prohibited substances.

(2) Process necessity. The substance is used as a pollution control agent in a wet end process for papermaking, for removing contaminants such as stickies introduced in papermaking, preventing aggregation and accumulation of contaminants, thereby controlling the residual of contaminants in the paper.

Thirteen, magnesium oxide

(1) Background information. Magnesium oxide is a water-insoluble white powder. It has been listed as a processing aid for food industry in GB 2760. It has been listed as a food contact material and product additive in GB 9685 for plastics, coatings, rubber, inks and adhesives. , paper, where plastic approval is allowed in the range of PE, PP, PS, AS, ABS, PA, PET, PC. This application extends the use of magnesium oxide to PVDC resins. The US Food and Drug Administration and the European Commission have approved the use of this substance in food contact materials and products. The Japan Polyvinylidene Chloride Health Association also lists it as a list of substances that can be used as food utensils and packaging containers.

(2) Process necessity. Magnesium oxide is used as a heat stabilizer for PVDC resin, which can inhibit the decomposition reaction of PVDC resin and improve its molding processability.

(3) Precautions for use. The food contact materials and products produced by the substance are allowed to contact various types of foods, the contact temperature must not exceed 130 ° C, the contact temperature is different, and the contact time limits are also different. If the contact temperature is between 121 °C and 130 °C, the contact time should not exceed 1 hour; if the contact temperature is 25 °C (excluding 25 °C) to 120 °C, the contact time should not exceed 2 hours; if the contact temperature is 25 ° C or low There is no limit to the contact time at 25 °C.

14. Polyacrylamide

(1) Background information. Polyacrylamide is a white, odorless powder. Stable under normal temperature conditions, melting point greater than 259 ° C, molecular weight 8 million to 20 million Daltons. The substance is soluble in water and has a density of 1.122 g/ml (30 ° C); it is slightly soluble in glycerin, ethylene glycol, lactic acid, and insoluble in methanol, ethanol and ether. This substance has been included in GB 9685 for food contact paper. This application extends the scope of use to polyacetal resins. The European Commission has approved its monomer for the production of food contact materials and products. The Japan Association of Hygienic Olefin and Styrene Plastics also lists it as a list of resin materials used in the production of food utensils and packaging containers.

(2) Process necessity. As a stabilizer, polyacrylamide is used as a food contact material and product to improve the thermal stability of polyacetal resin and reduce its decomposition in hot working and injection molding.

(3) Other circumstances that need to be explained. As a monomer for the synthesis of polyacrylamide, acrylamide can be applied to the production of several food packaging materials. Since the migration amount of acrylamide monomer in food packaging materials is much lower than the detection limit of the method (DL=0.01 mg/kg), Therefore, the intake of acrylamide into the human body through food contact materials and products is negligible. (4) Precautions for use. The materials and products produced by the substance are only used for contact with water-based foods, oil-based foods, acidic foods and foods with an ethanol concentration of not more than 10% by volume, and the use temperature is not higher than 121 °C.

Firty sorbitan monostearate polyoxyethylene ether

(1) Background information. The sorbitan monostearate ethoxylate is a yellow solid partially soluble in water. This material has been listed in GB 9685 for plastics, coatings and adhesives. This application expands the scope of use to paper. The US Food and Drug Administration approved the substance for food contact paper and paperboard. The Federal Risk Assessment Institute of Germany has included it in the list of recommended paper and board materials for food contact materials.

(2) Process necessity. The sorbitan monostearate polyoxyethylene ether is added as an emulsifier to the pulp in the wet end of the papermaking process, helping the polymer flocculant to more effectively gather the fibers together and improve the retention of the fibers on the forming line of the paper machine. And the water filtration rate and the dewatering performance of the wet end press after forming the net ensure the paper machine runs stably and quickly. 16. Phosphate-α-tridecyl-ω-hydroxy-poly(oxy-1,2-ethylidene) ester

(1) Background information. Phosphate-α-tridecyl-ω-hydroxy-poly(oxy-1,2-ethylidene) ester is a colorless to off-white liquid. The substance has been included in GB 9685, using a range of plastic (PP, PE, PS, PVC, PA, PC, ABS, AS, PET, PVDC, UP), this application to expand the use of paper. The US Food and Drug Administration approved its use in food contact paper and paperboard. The European Parliament has included it in the list of recommended food contact paper and board materials.

(2) Process necessity. The substance is added as a dispersing agent, an emulsifier and a wetting agent to the emulsion coated on the surface of the paper to improve the dispersibility, stability and compatibility of the emulsion.

(3) Precautions for use. The materials and products produced using this material are only used to contact aqueous foods, dry foods and fatty foods. This material is only suitable for the production of papers weighing less than 80g/m2.

Seventeen, C16-18 monoglyceride

(1) Background information. C16-18 monoglyceride is a white to slightly yellow waxy solid powdery material having a melting point of 270 ° C and a specific gravity of 0.95 (20 ° C). It is contained in C16-18 (mono, di) glycerides. C16-18 (single and double) glycerides have been listed as food additives in GB 2760; as food contact materials and additives for products have been listed in GB 9685, allowing them to be used in paper according to the production needs, this application expands the scope of use to coating. The US Food and Drug Administration, the Health Canada, and the Southern Common Market (the largest economic integration organization in South America) have approved their use in food contact materials and products. The European Food Safety Authority has assessed that this substance does not pose a potential safety risk to consumers when used as a food contact material oxygen absorber.

(2) Process necessity. As an emulsifier, C16-18 monoglyceride plays an important auxiliary role in the film formation process of the coating. At the same time, in the production process of the coating, the friction of the process equipment can be reduced and the lubricant can be used. In the application process of the coating, the accumulation of electric charge can be avoided, and the antistatic effect is played, which is very important for safe production.

18. Polymers of acrylonitrile and 1,1-dichloroethylene

(1) Background information. The polymer properties of acrylonitrile and 1,1-dichloroethylene are stable, the decomposition temperature is 200 ° C, and it is insoluble in water. The US Food and Drug Administration approved its use for food contact coatings, and the European Commission approved each monomer of the polymer for use in food contact materials and products.

(2) Process necessity. The crystalline film formed by the resin has high oxygen and water vapor barrier properties, and the material is used as a coating