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High-concentration polyolefin aromatic master batch and its preparation method

A polyolefin, high-concentration technology, applied in the field of fragrance masterbatch, can solve the problems of easy extravasation of fragrance and volatilization capacity, poor compatibility of fragrance and carrier resin, low fragrance content, etc., to improve the appearance quality and optimize the parameters of the preparation method. , The effect of good processing performance

Inactive Publication Date: 2012-11-07
NAFINE CHEMICAL INDUSTRY GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a high-concentration polyolefin fragrance for solving the problems of poor compatibility between essence and carrier resin, low essence content, easy extravasation and volatilization of essence in the fragrance masterbatch prepared in the prior art, and low production capacity of the existing preparation method. Masterbatch and its preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Preparation of 100kg high-concentration polyolefin fragrance masterbatch

[0028] 1. Component mass

[0029] LLDPE 17 kg

[0030] EVA 18kg

[0031] SBS 3kg

[0032] Fragrance 15kg

[0033] Diatomaceous earth 18 kg

[0034] Calcium carbonate 25 kg

[0035] Polyethylene wax 4 kg

[0036] 2. Preparation method

[0037] Weigh each material according to the proportion of the formula, add the body resin first, then add diatomaceous earth, calcium carbonate in turn, then add polyethylene wax, and finally add the essence, add it to the kneading pot, knead until it is coated, and finally stir it evenly The mixed material is put into parallel twin-screw extruder for extrusion, and then cooled and pelletized to obtain high-concentration polyolefin fragrance masterbatch.

Embodiment 2

[0039] Preparation of 100kg high-concentration polyolefin fragrance masterbatch

[0040] 1. Component mass

[0041] LLDPE 16 kg

[0042] EVA 20 kg

[0043] SBS 4kg

[0044] Fragrance 17kg

[0045] Diatomaceous earth 20 kg

[0046] Calcium carbonate 20 kg

[0047] Polyethylene wax 3 kg

[0048] 2. The preparation method is the same as in Example 1. .

Embodiment 3

[0050] Preparation of 100kg high-concentration polyolefin fragrance masterbatch

[0051] 1. Component mass

[0052] LLDPE 15 kg

[0053] EVA 23kg

[0054] SBS 5 kg

[0055] Flavor 20kg

[0056] Diatomaceous earth 23 kg

[0057] Calcium carbonate 12 kg

[0058] Polyethylene wax 2 kg

[0059] 2. Preparation method

[0060] Weigh each material according to the above ratio, first add the carrier resin, adsorbent, filler, and dispersant together into the stirring pot, stir and mix evenly at a medium speed, then slowly add the essence under medium-speed stirring, and stir for about 5 minutes to obtain a uniform Mixed material, finally put the uniform mixed material into the parallel twin-screw extruder for extrusion, control the temperature range of each section of the extruder between 100-120 °C, in order to ensure the surface quality and production capacity of the masterbatch, parallel twin-screw extruders in the same direction The temperature of the head of the screw extr...

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Abstract

The invention relates to an aromatic master batch, especially to a high-concentration polyolefin aromatic master batch and its preparation method. The high-concentration polyolefin aromatic master batch comprises the following components of: carrier resin, essence, an absorbent, a filler and a dispersing agent, wherein the carrier resin contains three resins of LLDPE, EVA and SBS; the absorbent is diatomite; the filler is calcium carbonate; and the dispersing agent is polyethylene wax. The aromatic master batch comprises the components of: by weight, 15-18% of LLDPE, 18-23% of EVA, 3-5% of SBS, 5-20% of essence, 18-23% of diatomite, 10-25% of calcium carbonate and 2-4% of polyethylene wax. The preparation method comprises the following steps of: weighing the materials according to the above ratio; adding the carrier resin, the adsorbent, the filler and the dispersing agent together into a mixing pot; slowly adding essence while stirring at a medium speed; pouring the uniformly-mixed materials into a co-rotating parallel twin-screw extruder for extrusion and controlling temperature parameter of the extrusion technology between 100 DEG C and 120 DEG C; carrying out water bath, cooling and drying by cold air blast, and pelletizing to prepare the high-concentration polyolefin aromatic master batch. The aromatic master batch provided by the invention has advantages of strong compatibility of essence and the carrier resin, high content of essence and lasting fragrance, and is applicable to different production technologies of different plastic products.

Description

technical field [0001] The invention relates to a fragrance masterbatch, in particular to a high-concentration polyolefin fragrance masterbatch and a preparation method thereof. Background technique [0002] At present, the production of flavored plastic products is mainly realized by adding flavor directly or adding flavor masterbatch during the production process. (Polypropylene, PP) is the most important] The functional masterbatch of a certain fragrance of the material is mainly used after soaking oil-absorbing rubber and plastic elastomers (belonging to polyolefin materials). However, the disadvantage of this method is that the fragrance content is low And unstable, the combination of essence and carrier resin is weak, and the essence is easy to ooze and volatilize. There are also fragrance masterbatches processed by extruder forced mixing, such as CN1800259A disclosed fragrance masterbatch for plastics and its preparation method, the ingredients include essence, addit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/08C08L53/02C08L23/06C08K3/26C08K3/36B29C47/92B29C48/92
CPCB29C48/40B29C48/92B29C2948/92704B29C2948/92895
Inventor 高秀云薛志兵
Owner NAFINE CHEMICAL INDUSTRY GROUP CO LTD
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