Filled with calcium carbonate and its masterbatch production technology

September 30, 2008 on 10:28 pm | In Tech | No Comments

Filled with calcium carbonate and its masterbatch production technology

The present invention relates to a home filled with calcium carbonate material and its production process. It features, including calcium carbonate, plastic resins, additives, dispersants, the agent for the paraffin, of which 100 kg of calcium carbonate in the addition of 1-10 kilograms of plastic resin, wax 1-10 kg 0.06-0.6 kg of stearic acid.

The process for:
(A) ingredients
(B) mixing
(C) very much
(D) after the cooling storage.

Simplified the production process, calcium carbonate do not need to dry, activation, coupling agent does not need, do not need to sort feed directly and calcium carbonate powder resins, additives, dispersants into a mixture of high-speed mixer, feeding off hybrid, Labor-saving, low consumption, renewable resins can be used resin, cost savings, with the market’s competitive advantage and price advantage.

PVC color masterbatch formula

September 20, 2008 on 8:08 pm | In Tech | 3 Comments

(1)Carrier

Carrier resin carrying pigment, is a material which even disperse the pigment with the action of dispersant and processing modifer. Some  PVC color masterbatch imported is adopted special polyester as carrier. Normally it is also used PVC as carrier by choosing suspersion method with good fluidity.

(2)Plasticiser

Molecules among polar PVC is great attraction, high viscosity, difficult melt and fluid, so it need to add plasticiser to reduce the action of molecules for resin, then to reduce the melt temperature and viscosity of PVC resin. In view of the hard and soft of masterbatch , it can add a kind or several compands  plasticiser as per requirement.  Normally DOP with good commonality is used as main
plasticiser, and epoxy compands with good volatility and stability as auxiliary plasticiser.

(3)Heat stabilizer

PVC is easy to break down with heat to release HCL gas, so it needs to add stabilizer. As color masterbatch is produced by twice-screw extruder, so it requests higher harsh for the heat stability of resin series.

(4)Working modifying agent

As color masterbatch, ideal fluidity should exceed natural pigment, namely masterbatch viscosity is lower than the natural pigment, so that it has even coloring. Adding high density pigment will largely increase the voscosity of PVC. Specially, when adding carbon with difficult dispersion and high oil adsorption, the series voscosity is still very high, since adding very high compands plasticiser. It will reduce effectively series melt viscosity by choosing suitable processing modifer, so it wil benefit for dispersion of pigment to ensure the stability of continue processing.

(5)Lubricant

In PVC resin, it needs to add inner and external lubricant and should keep balance in inner to reduce the highest torque of resin melting.and ensure the brightness of product apperance.

(6)Paint

PVC coloring  is nomally adopted inorganic and organic pigment. As PVC will break down to release HCL gas when it is in high heat, it will make some low acid-resistance colorant to change color, so the pigment used in PVC should meet as follows:
a、temperature tolerance,requesting pigment process not to be decomposed between 160~220℃ ;
b、be unacted on By HCl;
c、good  migration-resistance
d、resistance to elements good;
e、cheap and good。

If discrepancy exists between the English texts and the Chinese texts, the Chinese texts apply.

Filler Masterbatches formula

September 17, 2008 on 10:59 pm | In Tech | 5 Comments

Formula component:

Calcium carbonate 85%
LDPE  10%
HDPE  5%
Couplint agent   0.5%
Whiteruss    4%

Masterbatches technical data:Density ≤1.7 g/cm3、Moisture content ≤0.2%、Melt flow rate 5~10 g/10 min、Granularity (3×3×4)mm。

The carrier resin of the formula  is LDPE and HDPE。The carrier resin of normal masterbatches may be a kind or more than resin compound, the usage rate of the carrier is around 15%~30% of  the quantity of masterbatches。

We have set up the Customer Service Centers in CN and TW, which can provide the customer with sophisticated technical consulting, repair and services.

Free training shall be provided on site for whole installation and commissioning period.

Testing value of the above list for reference only,This English version is for reference only. Please adhere to the original Chinese instruction in case of any mistake!

Color Masterbatches formulation (compounding)

September 16, 2008 on 6:50 pm | In Tech | No Comments

Color Masterbatches formulation:

Main ingredients:Paint + Carrier + Additive = Color Masterbatches

To be used as a guide only. Some variations in detail are possible.

The use of Masrerbatch has dominated the market ,it is obvious that to dye and change the nature of the plastic material with the Masrerbatch is quite a potential market and a certain trendency .

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