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All kinds of plastic additives inventory!
2022-10-06

Plastic additives, also known as plastic additives, is polymer (synthetic resin) molding processing in order to improve its processing properties or to improve the properties of the resin itself is insufficient and must be added some compounds.




The addition of additives can promote the plastic to improve the processing, physical, chemical and other functions of the substrate and increase the physical and chemical characteristics of the substrate.




Today, let's take a look at the classification of plastic additives and check the different plastic additives.


1. Antioxidants


The unsaturated double bond in plastic is attacked by oxygen atoms, heat and light and causes the break to produce free radicals, which causes a chain reaction, so that the molecular chain is broken or formed chain cross-linking, and leads to the reduction of the strength of plastic products or brittle. The function of antioxidants is to delay the decomposition of plastic due to oxidation and extend the life of plastic products.




Antioxidants used in the plastics industry can be classified according to their function as follows:


(1) Oxidation chain reaction inhibitor




For example, Alkyl phenol, Butylated hydroxytoluene (BHT), Aromaticamines, phenyl-b-naphtylamine and alkane pair are Alkyl Quinone, Alkylene bisphenol, Alkyl phenolthioether, Phenyl salicylate, etc.


(2) peroxide decomposing agent




Such as Liu alcohol urgent thioether system, Thio propionate ester, Organic phosphites (Organic phosphites), disulfonic acid system, etc.


(3) heavy metal inactivator




Such as amides, synammoniates, aromatic amine compounds.




2. Antistatic agent


The main function of antistatic agent is to give plastic electrical conductivity, so that it can avoid the accumulation of static electricity caused by friction. By doing so, the commonly used antistatic agents include Quaternary ammoniumsalt, ethylamine, fatty acid esters and Sulfonated wax.




3, Blowingagent (Blowingagent)


There are three main types of plastic blowing agents:




(1) Nitrogen, carbon dioxide, and air are directly pressed into the plastic melt to make foaming;




(2) Volatile liquid such as butane, pentane, petroleum ether, difluorodichloromethane, etc., volatilized expansion after heating, and make the plastic body foaming, common polystyrene foam belongs to this type;




(3) decomposing chemical blowing agents, which are generally solid powders, decompose and release gases (usually nitrogen or carbon dioxide) when heated, which make the plastic produce a cell-like structure and reduce weight.


The picture

Such blowing agents are mostly organic azo compounds, such as Azodicarbonamide and azobisisobutyro-nitrile (AIBN for short). Foaming plastics mainly include: ABS, PS, PVC, PU, EVA, PE, PP and so on.




4. Flameretardant (Flameretardant)


When the plastic with non-flammable agent is exposed to the flame, it can automatically inhibit the spread of the flame and prevent the formation of smoke. When the flame is removed, the combustion will stop.




The principle of inflammable agent used by plastic can be roughly divided into three kinds:




(1) Reactivetype (Reactivetype) flammable agent can react with oxygen to form an inert gas, enveloping the combustion material around, reducing the oxygen content of the combustion material, in order to achieve the purpose of termination of combustion. All combustion can produce CO, CO2, NH3 and halogen compounds, such as PVC, PU foam, polyester or epoxy resin, etc.




(2) Non-reactive type (non-reactivetype) flammable agent is containing halogen, phosphorus, nitrogen or boron compounds, when combustion, can decompose a kind of inert material, covering the surface of plastic combustion, forming a layer of obstacles, in order to cut off the oxygen outside, to achieve the purpose of fire resistance.




(3) when water oxide such as alumina refractory agent encounters combustion, it can release water gas, absorb the hot gas of the combustion process, reduce the temperature around the combustion substance to inhibit the spread of flame, and prevent smoke formation.




5. Lubricant


Sliding agent can be divided into internal sliding agent and external sliding agent, the most important function of internal sliding agent is to improve the fluidity of resin, reduce the internal friction between resin molecular chains, such as fatty acid lipids (stearic acid monotriglyceride); External sliders, such as HoechstWax, reduce the adhesion of the resin to the processing machine and improve the smooth surface of the product for easy release.




6, impact resistance modifier (Impactmodifier)


Impact resistance modifiers are usually added by Compounding resins with specific properties to improve impact resistance of plastics. The impact resistant modifier often affects the heat resistance, fluidity or processability of plastics, and must be carefully selected.



7. Plasticizer


Resin of GREAT part SYNTHESIS HAS PLASTICITY, BUT THE SIZE OF PLASTICITY IS different HOWEVER, TO MAKE RESIN is PLASTICIzed EASILY AND GIVE PRODUCT softness, a FEW LOW MOLECULAR material is added IN resin commonly, THESE low MOLECULAR SUBSTANCE calls plasTICIzer. Plasticizer is liquid or low melting point material, and the resin should be better miscibility. Commonly used plasticizers are phthalate esters, aliphatic diacid esters, phosphate esters, chlorinated paraffins, etc.



8. Coloring Agent


Is in order to beautify and decorate plastic and in the material to add additives containing color material called colorant.



9. Filling Material


Add in the compound material OF PLASTIC in order to reduce the cost, sometimes also can improve the physical properties of plastic, such as hardness, stiffness and impact strength of the relatively inert material called filler. The most commonly used fillers are clay, silicate, talc, carbonate, etc.


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1. Controllers of Personal Information

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We collect your personal information in order to provide and continually improve our products and services.

Here are the types of personal information we collect:

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10. What rights do I have?

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Cookie Policy/Introduction


Why do we have a privacy policy? 

Polynk.com (“we”) care about your privacy. Therefore, we always strive to protect your personal data in the best possible way and to comply with all applicable laws and regulations for the protection of personal data. In this policy, we want to inform you about how we collect and process your personal data in accordance with the EU regulation 2016/679 (“GDPR”) to guarantee an open and transparent processing of your personal data.

Who is responsible for your personal data?

Polynk.com, no 91320481MA215T1W6Q, is responsible for the processing of your personal data. The following is Polynk.com’s contact information: Telephone number: +86 0519 87108958 Address: Room 504, No.85 Shangshang Road, Kunlun Street, Liyang City, Jiangsu Province, China, PR

What personal data do we process? 

Polynk.com process information about you when you use Polynk.com’s webpage by saving cookies on your computer. The personal data we process about you are your IP address, your preferences and your activities on our webpage. The cookies collecting information about use of our website collect information in an anonymous form, including the number of visitors to the website, which country the internet connection is from, which web browser and version is used and the title on the pages they visited. If you play a video on our webpage, YouTube might save cookies on your computer depending on your settings. Please review YouTube’s Privacy policy for further information. If you do not want YouTube to save cookies on your computer, do not play any videos on our webpage since YouTube operates these videos. When you accept cookies on your computer you will provide us with your information. If you do not want cookies to be saved on the computer, you can prevent this by not accepting cookies to be saved on your computer. Please note, that if you deny functional cookies the webpage will have limited function.

For what purpose do we process your personal data? 

We process your personal data to be able to offer a functional webpage. These functional cookies are essential for your use of the webpage’s features. We also process information about your activities on our webpage over time for non-advertising purposes such as improving the site functionality, the website experience and to improve the website. We also process your personal data to help us remember your preferences such as language or location to create a better experience when visiting the webpage. Who has access to your personal data.  As a starting point, your personal data will only be processed by Polynk.com. Our IT suppliers might get access to the personal data and other information when developing and supporting our IT system. These IT supporters only process personal data on our behalf and never on their own behalf.

On what legal ground do we process your personal data? 

The legal ground for Polynk.com’s processing of your personal data by saving cookies on your computer is Polynk.com’s legitimate interest under, under article 6.1 (f) GDPR, to process your personal data in order allow you to navigate the site, use our features and for us to remember your preferences (functional and preference cookies). Analytic cookies are processed so that we can improve the webpage’s functionality and the website experience. You can always deny these cookies if you do not want us to save these on your computer.  

For how long will we process and store your personal data? 

Your personal data will be sorted out/erased according to the following: Functional cookies will be erased when the web browser is closed. Preference cookies will be erased after 100 days. Analytic cookies will be erased after two years.  

Transfer of personal data to third countries 

As a general principle, Polynk.com only processes your personal data within the EU/EEA. If your personal data would processed outside the EU/EEA, then we will make sure that such processing is either based on a decision from the Commission establishing that the country in question ensures an adequate level of protection or appropriate safeguards that ensure that your rights are protected or based on another ground for such transfer in accordance with GDPR.

Your rights 

Right to access to your personal data 

You are entitled to request information about which personal data we process about you and how the personal data is being processed. You also have the right to request a copy of the personal data we process about you.

Right to rectification

If you consider your personal data that Polynk.com process to be inaccurate, e.g. information concerning your name or address, you have the right to get the inaccurate information corrected and to get the incomplete information completed by providing us with the correct information.

Right to erasure

You have the right to request that your personal data is erased, e.g. if the processing is no longer relevant in relation to the purpose the information was collected for or if you recall your consent to the processing and there are no other legal ground for the process.

Right to limitation of processing

You have the right to request limitation of the processing of your personal data, with the exception for storage. Limitation of processing can be requested for example if you object to the accuracy of the personal data or if you consider the processing of your personal data to be unlawful.

Right to objection  

You have the right to object at any time concerning the processing of your personal data in accordance with article 6.1 (e) or (f) (legitimate interest) GDPR, including profiling based on those provisions. Where personal data are processed for direct marketing purposes, you have the right to object at any time to processing of personal data concerning such marketing, which includes profiling to the extent that it is related to such direct marketing. 

Right to data portability 

You have the right to obtain the personal data you have provided us with in a structured, commonly used and machine-readable format and have these transmitted to another controller, provided that the process is automatized and that the process is based on a consent or an agreement.  

Changes in this policy 

Polynk.com is entitled to amend this policy at any time if it is necessary to fulfill the requirements according to applicable laws and regulations or if it is necessary due to changes in Polynk.com operations.  In such a situation, Polynk.com will provide information concerning the changes according to applicable law. Applicable information will be available in this privacy policy, on the website of Polynk.com and/or provided in other appropriate ways.

Observance of GDPR

Do not hesitate to contact Polynk.com if you, for any reason, feel unhappy about our processing of your personal data. If you would still be of the opinion that your rights, according to GDPR, have not been satisfied you have the right to send a complaint to the regulatory authority. You will find more information concerning this on www.datainspektionen.se. 

Our contact details 

If you would like to contact us concerning our processing of your personal data or if you have questions concerning this privacy policy, you are welcome to contact us on gfy@polynk.com. Copyright (©) 2021 Polynk.com