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Polymeric materials

A technology of polymer materials and media, applied in the field of polymer materials, can solve the problems of pressure drop of die head, carrier degradation, deterioration of polymer material properties, etc.

Active Publication Date: 2013-09-25
COLORMATRIX HLDG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the downside, however, it has been found that the use of such formulations may lead to carrier degradation, die pressure drop, die smoking and / or deterioration of the properties of the polymeric material following the introduction of additives

Method used

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  • Polymeric materials
  • Polymeric materials
  • Polymeric materials

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0090] Example 1 - Preparation of Formulations

[0091] Formulation A was prepared by adding 50 g Solvent Blue-104, 3 g AEROSIL R-972, 0.1 g Doverphos S-9228T and 0.1 g Irganox 1010 to 46.8 g DIPLAST TM7-9 using a high shear mixer.

[0092] 50g Solvent Blue-104, 3g AEROSIL R-972, 0.1g Doverphos S-9228T and 0.1g Irganox 1010 were added to 46.8g by using a high shear mixer In TM / ST, Formulation B was prepared.

[0093] 60g Solvent Blue-104 and 2g AEROSIL R-972 were added to 38g by using a high shear mixer In TM / ST, Formulation C was prepared.

[0094] Formulation D was prepared by adding 60 g Solvent Blue-104 and 2 g AEROSIL R-972 to 38 g RV-5043 using a high shear mixer.

[0095] Formulation E was prepared by adding 62 g Solvent Blue-104, 0.1 g Doverphos S-9228T and 0.1 g Irganox 1010 to 37.8 g PEG200 Dierucate.

Embodiment 2

[0096] Example 2 - General method of introducing the formulation into PET used to make fibers

[0097] The apparatus used for this method is shown in figure 1 , the figure shows a hopper 1 for feeding additives into an extruder containing PET at the feed throat. Alternatively, the additive can be injected into the PET melt at location 2 using injection device 4 . Die pressure can be measured at position 3. The mixture is spun by the spinning head 6 .

[0098] In the examples described below, the liquid formulation was introduced into the PET fibers at the feed throat. Using a pilot fiber line (FET pilot line serial number C0037) with a single screw L / D 24:1 with a removable mixing head with a compression ratio of 2.5:1 at a throughput of 3kg / h, using a 72-hole spinneret, a draw ratio of 3:1, and a roll speed of 300m / min (bottom), 600m / min (middle), 900m / min (top). Thus, the final fiber diameter was about 20 μm.

[0099] The liquid formulation can be added to the ext...

Embodiment 3

[0104] Example 3 - Testing of Formulations

[0105] Tensile measurements were performed using a Hounsfield HTE M series tensiometer or an automatic Statimat M (Textechno). When using Hounsfield, a bundle of 72 samples (135 mm long) was stretched at 150 cm / min using a 100 N load cell. When using the Statimat, a single strand sample (200 mm long) was stretched at 400-500 mm / min (to achieve a test time of about 20 seconds) using a 100 N load cell. 25 measurements were taken per spool, providing an average result.

[0106] Results are provided in Table 1.

[0107] Table 1

[0108] POY Sample Notes

[0109] Note: dtex = decitex, which measures the weight of yarn per unit length. Daniel is another term known in the industry for fiber weight.

[0110] FDY Sample Notes

[0111] Similar good samples were prepared with Formulations C and D.

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Abstract

A method of introducing an additive into a polymeric material comprises using a liquid formulation comprising an additive, for example a colourant, and a vehicle comprising an aliphatic or aromatic tri- or di-carboxylic acid covalently linked by ester bonds to two or more chains. The method involves contacting the liquid formulation with the polymeric material in a melt processing apparatus. The cavity transfer mixer may be used in the process. A fibre is suitably subsequently produced.

Description

technical field [0001] The present invention relates to polymeric materials, and in particular to the introduction of additives into polymeric materials, such as during the preparation of polyester fibers, to polymeric materials such as polyesters, but the invention is not limited thereto. Background technique [0002] It is known that additives (eg, colorants, stabilizers, matting agents, antistatic agents, optical brighteners, processing aids, etc.) can be incorporated into fiber after-products by bath dyeing or spinning dyeing. Disadvantageously, however, this requires a large amount of liquid additive formulation to allow the additive to penetrate into the fibers; this process can be time consuming; and the fibers must be dried after the infiltration process. [0003] It is also known that additives can be incorporated into polymers using additive-containing masterbatches. For example, the masterbatch chips and polymer chips can be introduced into the extruder through t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/00C08J3/205
CPCC08J3/2053C08J2367/00C08J3/205C08L67/00D01F6/62C08J3/203
Inventor 克里斯蒂娜·利明约翰·古尔本安德鲁·奥弗伦
Owner COLORMATRIX HLDG
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