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Material with high dielectric constant under high-frequency electric field and suitable for reflow soldering and LDS and preparation method thereof

A technology with high dielectric constant and high-frequency electric field, which is applied in the field of reflow soldering, LDS material and its preparation, can solve the problems that the thermal deformation temperature does not meet the requirements, and cannot meet the requirements of reflow soldering and LDS at the same time.

Pending Publication Date: 2021-05-04
安特普工程塑料(苏州)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Some of the current materials with high dielectric constant cannot meet the reflow soldering and LDS (Laser Direct Structuring laser direct structuring technology, hereinafter referred to as: LDS) at the same time because the thermal deformation temperature does not meet the requirements, so further improvement is needed

Method used

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  • Material with high dielectric constant under high-frequency electric field and suitable for reflow soldering and LDS and preparation method thereof
  • Material with high dielectric constant under high-frequency electric field and suitable for reflow soldering and LDS and preparation method thereof
  • Material with high dielectric constant under high-frequency electric field and suitable for reflow soldering and LDS and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-2

[0039] According to the mass ratio, the content of each component of the material with high dielectric constant and suitable for reflow soldering and LDS under high-frequency electric field is shown in the following table:

[0040] Table 1. The content of each component of the material with high dielectric constant and suitable for reflow soldering and LDS under high-frequency electric field in embodiment 1-2

[0041] components Example 1 Example 2 high temperature nylon 35kg 33kg glass fiber 10kg 10kg ceramic powder 40kg 46kg pigment 15kg 11kg

Embodiment 3

[0047] Based on Example 1, the preparation method of Example 1 is as follows,

[0048] Step1 Weighing: Weigh 35kg of high-temperature nylon (PA10T), 10kg of glass fiber, 40kg of ceramic powder and 15kg of pigment according to the proportion;

[0049] Step2 Premixing: Add high-temperature nylon, ceramic powder and pigments into the mixer, and premix evenly;

[0050] Step3 Extrusion: Add the premixed mixture into the main hopper of the twin-screw extruder, add the glass fiber into the side feeding hopper of the twin-screw extruder, and extrude through the twin-screw extruder; extrusion temperature setting 300-330°C, the speed of the main engine is 300rpm;

[0051] Step4 cooling: immerse the molten mixture obtained by extrusion in the water tank;

[0052] Step5 Granulation: Add the cooled product into the granulator, use the granulator to pull and pelletize, and produce continuous granulation;

[0053] Step6 Screening: Add the granulated product into the screening machine, and...

Embodiment 4

[0057] Based on Example 2, the preparation method of Example 2 is as follows,

[0058] Step1 Weighing: Weigh 33kg of high-temperature nylon (PA10T), 10kg of glass fiber, 46kg of ceramic powder and 11kg of pigment according to the proportion;

[0059] Step2 Premixing: Add high-temperature nylon, ceramic powder and pigments into the mixer, and premix evenly;

[0060] Step3 Extrusion: Add the premixed mixture into the main hopper of the twin-screw extruder, add the glass fiber into the side feeding hopper of the twin-screw extruder, and extrude through the twin-screw extruder; extrusion temperature setting The temperature is 330°C, and the speed of the main engine is 300rpm;

[0061] Step4 cooling: immerse the molten mixture obtained by extrusion in the water tank;

[0062] Step5 Granulation: Add the cooled product into the granulator, use the granulator to pull and pelletize, and produce continuous granulation;

[0063]Step6 Screening: Add the granulated product into the scre...

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Abstract

The invention discloses a material with a high dielectric constant under a high-frequency electric field and suitable for reflow soldering and LDS and a preparation method of the material, relates to the technical field of high polymer materials, and aims to solve the problem that some materials with high dielectric constants cannot simultaneously meet the requirements of reflow soldering and LDS (Laser Direct Structuring) due to the fact that the thermal deformation temperature does not meet the requirements. According to the technical scheme, the material is characterized by comprising the following components in percentage by mass: 20-40% of high-temperature nylon, 10-20% of glass fiber, 30-50% of ceramic powder and 8-15% of pigment, under the high-frequency electric field of 2-20 GHz, the dielectric constant of the material is 4-10, and the thermal deformation temperature is higher than 260 DEG C. When high-temperature nylon is used as matrix resin, by taking 2.0 GHz, 6.0 GHz and 10.1 GHz as examples, dielectric constant values are all in a range of 4-10, thermal deformation temperature is higher than 260 DEG C, and reflow soldering and LDS (Laser Direct Structuring) are met at the same time.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a material with high dielectric constant and suitable for reflow soldering and LDS under a high-frequency electric field and a preparation method thereof. Background technique [0002] As far as the dielectric constant of communication materials is concerned, current research is mainly concentrated on the low-frequency stage, and rarely involves the use of high-frequency electric fields. In recent years, due to the development of the new generation of communication field, in some equipment related to this field, because it involves high-frequency electric field and signal transmission, the requirements for the dielectric properties of materials are getting higher and higher, especially the dielectric properties under high-frequency electric fields. performance. [0003] Preparation of polymer composites is an effective way to increase the dielectric constant. Filling ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/00C08K13/04C08K7/14C08K3/22
CPCC08K13/04C08K7/14C08K3/22C08K2003/2241C08K2003/2227C08L2201/08C08L77/00
Inventor 马广昊刘道龙刘卫伟丁玲玲周策
Owner 安特普工程塑料(苏州)有限公司