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CXP5045擴鏈劑和相容劑(可以提升低質量的回收利用,可在加工過程中使用,以提高聚酯或聚酰胺的熔體強度。HYOSIL CXP 5045還具有高環氧官能度,這允許與縮合熱塑性塑料快速反應,從而導致更高的分子量。)

固含 >99 TG 60 環氧當量 445 分子量 7000
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THYOSIL CXP5045
Chain extender and compatibilizer 擴鏈劑和相容劑

 

Description描述

THYOSIL CXP5045 is a multifunctional polymer specially designed to restore molecular weight and IV (intrinsic viscosity) in degraded polymers.

THYOSIL CXP5045 allows to upgrade low quality recycle and can be used during processing to increase the melt strength of polyesters or polyamide. THYOSIL CXP5045 also has high epoxy functionality, this allows for rapid reaction with condensation thermoplastics, resulting in higher molecular weight.

THYOSIL CXP5045是一種多功能聚合物,專為在分解聚合物中恢復分子量和IV(特性粘度)而設計。

HYOSIL CXP 5045可以提升低質量的回收利用,可在加工過程中使用,以提高聚酯或聚酰胺的熔體強度。HYOSIL CXP 5045還具有高環氧官能度,這允許與縮合熱塑性塑料快速反應,從而導致更高的分子量。

 

Advantages 優勢

ü       Higher regrind/recycle yield rate.?更高的回收/回收再生率。

ü       Upgrade lower molecular weight polycondensate polymers.?

ü       升級較低分子量的縮聚物聚合物。

ü       Compatibilization of polycondensate alloys.?縮聚物合金的相容性

ü       Improved tensile strength.?提高拉伸強度。

ü       Enhanced hydrolytic stability.?增強水解穩定性。

 

Typical Properties典型值

These properties are typical, do not constitute specifications

Appearance外觀

Clear powder清粉狀

Solids (%)固含

>99

Tg (oC)玻璃化溫度

60

Epoxy equivalent weight (g/mol)環氧當量

445

 

 

Recommended dosage推薦用量

Plastic塑料

Application用于

Recommended Dosage推薦用量

(% w/w)

Polyesters (PET)聚酯

Fiber (staple and filament)

纖維(短纖維和長絲)

0.1 to 0.7

Injection/blow molding bottle

注塑/吹塑瓶

0.1 to 0.8

Sheet, tape and profile extrusion

片材,膠帶和型材擠出

0.2 to 1.0

Film and bottle blow molding

薄膜和瓶吹塑

0.2 to 1.0

Strapping打包帶

0.2 to 1.0

Compatibilization PET/PA-nylon

聚酯與尼龍相容

0.4 to 1.5

Foam發泡

0.4 to 1.5

Polyesters (PETG, PBT, PLA, others)

聚酯(PETG,PBT,PLA,其他)

Injection Molding注射成型

0.1 to 0.3

Fiber纖維

0.1 to 0.7

Profile extrusion型材擠出

0.2 to 1.0

Sheet and film片材和薄膜

0.2 to 1.0

Branching分枝

0.5 to 1.5

Foam發泡

0.4 to 1.5

Polyamides (nylon, PA 6, other)

聚酰胺(尼龍,PA 6,其他)

Injection Molding注射成型

0.1 to 0.3

Profile extrusion型材擠出

0.4 to 1.0

Sheet, film and tape

片材,薄膜,膠帶

0.4 to 1.5

Branching分枝

0.5 to 1.5

Compatibilization polyester/PA-nylon

增容聚酯/ PA尼龍

0.5 to 1.5

Polycarbonates (PC)

聚碳酸酯(PC

Injection molding注射成型

0.1 to 0.3

Hydrolytic stabilization水解穩定

0.4 to 1.5

Sheet and film片材和薄膜

0.4 to 1.5

Branching分枝

0.5 to 1.5

Other condensation thermoplastics (TPU, POM)

其他冷凝熱塑性塑料(TPU,POM

Melt strength熔體強度

0.3 to 1.0

Stabilization穩定

0.2 to 1.0

 

 

Processing conditions加工條件

Operation操作

Procedure步驟

Pre-drying

預干燥

Pre-dry the base plastic at manufacturer’s recommended conditions.

推薦下預干燥基礎塑料。

In some instances small amounts of THYOSIL CXP5045 can be compensated for poor or incomplete drying, thus bringing robustness and saving to your operations.

在某些情況下,添加少量的THYOSIL CXP5045可以補償不良或不完全的干燥,從而為您的操作帶來方便和節省操作。

Hygroscopicity: there is no evidence of bulk absorption of moisture over extended periods of time for THYOSIL CXP5045.

At normal conditions of temperature and relative humidity its surface reaches equilibrium saturation through adsorption at less than 0,25% of moisture.

At extreme conditions its surface reaches equilibrium saturation at less than 0,50% of moisture.

This means that THYOSIL CXP5045 can generally be processed without any drying, even after long exposure to drastic conditions bringing no more than 5ppm moisture per every 0,1% used.

吸濕性:THYOSIL CXP5045在長時間內沒有大量吸收水分的跡象。在正常的溫度和相對濕度條件下,其表面通過吸附小于0.25%的水分達到平衡飽和度。

在極端條件下其表面水分,在小于0.50%達到平衡飽和。這意味著即使經過長時間暴露于劇烈的條件下,THYOSIL CXP5045通常也可以進行加工處理,每0.1%使用不超過5ppm的水分。

Ins systems where moisture sensitivity is extreme, THYOSIL CXP5045 can be dried in a desiccant dryer ant30°Cfor 1 hour, prior to use.

在潮濕敏感度極高的系統中,THYOSIL CXP5045可以在干燥劑干燥器中于30℃ 干燥1小時,然后再使用。

Extruder/injection molder temperature profile

擠出機/注塑機溫度曲線

Where feeding solid THYOSIL CXP5045 in any solid form, except masterbatch, into the first zone of the extruder or infection molder, we recommend to operate this zone at20°Cto40 °Clower temperature than normal. This will prevent early melting and agglomeration of the additive.

在將固體形式除母粒之外的固體THYOSIL CXP5045進入擠出機或感染模塑機的第一區域內,建議比常溫低 ,在20℃至40℃的溫度下操作該區域。 這將防止添加劑的早期熔化和附聚。

All other zones should employ normal processing condition as recommended by the plastic’s manufacturer.

所有其他區域應采用塑料制造商推薦的正常加工條件。

Additive thermal stability

添加劑熱穩定性

THYOSIL CXP5045 is thermally stable up to 320°C. Above this temperature additive decomposition may occur.

THYOSIL CXP5045在320°C以下是熱穩定的。 高于此溫度可能會發生分解。

Residence time

停留時間

THYOSIL CXP5045 reacts quickly. Its reaction will be over 99% complete if at least 3 min residence time is provided at200°Cin a well-mixed system. Alternatively, 45 sec residence time at280°Cwill provide 99% completion.

THYOSIL CXP5045快速反應。 如果在200℃下在充分混合的系統中至少提供3分鐘的停留時間,其反應將達到99%以上。 或者,在280℃下停留時間為45秒將完成99%。

These limits accommodate most extrusion and injection molding processed for the recommended thermoplastics and applications.

這些限制適用于為推薦的熱塑性塑料和應用而加工的大多數擠出和注塑。

For use in polymerization reactors where residence time is over 5 minutes, see recommendations in section “Methods of Dosage”.

用于停留時間超過5分鐘的聚合反應釜中,請參見“劑量方法”一節中的建議。

 

  • THYOSIL CXP5045 should not be processed at temperatures higher than320°C
  • THYOSILCXP5045不應在高于320°C的加工溫度。

 

Extruder pressure effects擠出機壓力效應

The use of THYOSIL CXP5045 inreactive extrusion or reactive injection molding operations increases significantly the molecular weight, this lead to an increase in melt viscosity, which in turn raises the pressure observed in the equipment.

The table below exemplifies the large increases in die pressure that are observed in PET as THYOSIL CXP5045 is added to a large extruder. Similar increases are expected in other plastics.

在反應性擠出或反應性注射成型工具中使用THYOSIL CXP5045顯著增加了分子量,這導致熔體粘度的增加,從而提高了設備中觀察到的壓力。下表列舉了將THYOSIL CXP5045加入到大型擠出機中時在PET中觀察到的模具壓力的大幅增加。 預計其他塑料類似增長。

 

Extrude variable

拉伸變量

PET Control控制

0,50%

THYOSIL CXP5045

1,00% THYOSIL CXP5045

1,50% THYOSIL CXP5045

Pressure die壓模

1

1.25-1.45

1.55-1.80

1.80-2.00

Pressure screen

壓力篩

1

1.25-1.45

1.90-1.80

1.80-2.00

Motor power draw

電機功率

1

1.05-1.08

1.13-1.12

1.12-1.15

 

The pressure increases both at the die and in front screen system may be 25% to 100% higher than typical operating pressure for higher usage levels. Instantaneous pressure variations and spikes are due to large instantaneous changes in melt viscosity. At constant temperature, changes in melt viscosity are often due to variable feed rate and/or poor mixing.

在模具和前屏幕系統中的壓力增加可以比用于較高使用水平的典型操作壓力高25%至100%。瞬時壓力變化和尖峰是由于熔體粘度的瞬間變化很大。 在恒定溫度下,熔體粘度的變化通常是由于可變的進料速率和/或混合不良。

 

The pressure and power draw changes with fluctuations in feed rate are calculated on the table below.

壓力和功率的變化隨著進料速度的波動而計算如下表所示。

Extrude variable

拉伸變量

Steady feed within 5% of target value

穩定飼料在目標值的5%以內

Steady feed within 10% of target value

穩定飼料在目標值的10%以內

Steady feed within 20% of target value

穩定飼料在目標值的20%以內

Pressure die壓模

± 2.0%

±4.3%

±9.0%

Pressure screen

壓力篩

±2.5%

±4.5%

±9.2%

Pressure draw壓差

±0.4%

±0.8%

±1.75%

 

Troubleshooting故障排除

Ø      In case of unexpected high pressure:?如出現意想不到的高壓:

(1)

Decrease the feed rate of THYOSIL CXP5045.降低THYOSIL CXP5045的進料速度。

(2)

  Decrease the RPM. This decrease pressure on single screw extruders and flood-fed twin-screw extruders, and will decrease hating on starve-fed twin-screw extruders.)

  降低轉速。 這對單螺桿擠出機和擠壓雙螺桿擠出機的壓力降低,并且將減少對供給雙螺桿擠出機的不適

(3)

  Slowly increase the temperature, starting from the die and then from the last to the zone.

      緩慢升高溫度,從模頭開始,然后從最后到達區域。

(4)

  With pressure under control, increase the THYOSIL CXP5045 feed slowly.

  在控制壓力下,慢慢增加THYOSIL CXP 5045進料。

(5)

  For steady operation follow recommendations given in the section “extruder pressure effects”

  為了穩定運行,請參閱“擠出機壓力效應”一節中給出的建議

 

Safe handling Information

Before using this product, read carefully the Material Safety Data Sheet (MSDS).

 

Note: The statements above are based on the current state of knowledge. They are intended to describe the product in relation to necessary safety precautions, and should not be used as a warranty of any specific property. Revision: March 2017.

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