Unlock instant, AI-driven research and patent intelligence for your innovation.

One-component epoxy potting material for automobile sensor and preparation method thereof

An automotive sensor and one-component technology, applied in chemical instruments and methods, and other chemical processes, can solve problems such as difficulty in transportation and high cost, distortion of electrical performance output, and errors in compounding glue, and achieve excellent storage stability. Effect of moderate mechanical strength and mechanical properties, viscosity

Inactive Publication Date: 2012-04-18
TAICANG LIANAN NEW INSULATION MATERIAL MFG WORKS
View PDF3 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The seal between the cover plate and the housing of the automotive sensor uses a two-component epoxy potting compound. During the potting process, there are often errors in compounding glue and constant changes in the viscosity of the system. In order to avoid such situations, the current potting compound It adopts a one-component system, does not need glue, and has stable viscosity and thixotropy. Usually, it can be completely cured after baking for 1.5 hours at a temperature of 130°C~150°C. Moreover, there are few domestic varieties of this type of potting compound and the price is expensive. It is necessary to purchase a large amount from abroad. In addition to price and cost factors, the one-component potting compound must be transported at low temperature, which is relatively difficult and expensive to transport. In addition, the high curing temperature of the existing one-component potting compound can cause the overall deformation of the sensor , electrical performance output distortion

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • One-component epoxy potting material for automobile sensor and preparation method thereof
  • One-component epoxy potting material for automobile sensor and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] A special one-component epoxy potting compound for automotive sensors, comprising 100 parts by weight of epoxy resin, 7 parts of solid curing agent, 7 parts of liquid curing agent, 3 parts of accelerator, 1.5 parts of stabilizer, 1 part of Part viscosity modifier, 0.2 part pigment.

[0036] The manufacturing method of the special one-component epoxy potting compound for the automotive sensor comprises the following steps:

[0037] (1) Metering: Measure epoxy resin, solid curing agent, liquid curing agent, accelerator, stabilizer, viscosity modifier, and pigment according to 22kg per batch, and put them into stainless steel barrels in turn;

[0038] (2) Mixing; use a high-speed mixer for preliminary mixing;

[0039] (3) Coarse grinding: use a three-roller grinder to conduct rough grinding once, the roller distance is 50 wires, and the rough grinding time is 32 minutes;

[0040] (4) Fine grinding; adjust the roller distance of the three-roller grinder to 10 wires, perfo...

Embodiment 2

[0047] A special one-component epoxy potting compound for automotive sensors, characterized in that: by weight, it includes 100 parts of epoxy resin, 8 parts of solid curing agent, 8 parts of liquid curing agent, 3 parts of accelerator, 2.5 parts of Stabilizer, 1.5 parts viscosity regulator, 0.3 parts pigment.

[0048] The manufacturing method of the special one-component epoxy potting compound for the automotive sensor comprises the following steps:

[0049] (1) Metering: Measure epoxy resin, solid curing agent, liquid curing agent, accelerator, stabilizer, viscosity regulator, and pigment according to 22kg per batch, and put them into stainless steel barrels in turn;

[0050] (2) Mixing; use a high-speed mixer for preliminary mixing;

[0051] (3) Rough grinding: use a three-roller grinder for rough grinding once, with a roller distance of 50 wires, and a rough grinding time of 35 minutes;

[0052] (4) Fine grinding; adjust the roller distance of the three-roller grind...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses an one-component epoxy potting material for an automobile sensor and a preparation method thereof. The potting material comprises the following ingredients: 100 weight portions of epoxy resin, 6-10 weight portions of solid curing agent, 6-10 weight portions of liquid curing agent, 1-5 weight portions of promoter, 0.5-3 weight portions of stabilizing agent, 0.5-2 weight portions of viscosity conditioning agent, and 0.1-0.5 weight portions of pigment. The preparation method comprises the following steps: (1) weighing; (2) mixing; (3) coarse grinding; (4) find grinding; (5) sampling; (6) filtering; (7) first defoaming; (8) tin filling; and (9) second defoaming. According to the invention, the potting material can be rapidly solidified at the temperature of 80-95 DEG C, the viscosity is moderate, the glue solution has thixotropy, and the potting material has the advantages of good mechanical strength and mechanical properties, and excellent storage stability.

Description

technical field [0001] The invention relates to a special single-component epoxy potting compound for automobile sensors and a manufacturing method thereof. Background technique [0002] The seal between the cover plate and the housing of the automotive sensor uses a two-component epoxy potting compound. During the potting process, there are often errors in compounding glue and constant changes in the viscosity of the system. In order to avoid such situations, the current potting compound It adopts a one-component system, does not need glue, and has stable viscosity and thixotropy. Usually, it can be completely cured after baking for 1.5 hours at a temperature of 130°C~150°C. Moreover, there are few domestic varieties of this type of potting compound and the price is expensive. It is necessary to purchase a large amount from abroad. In addition to price and cost factors, the one-component potting compound must be transported at low temperature, which is relatively difficult ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C08L63/02C08K3/36C08K3/04C08G59/50C09K3/10
Inventor 闵延兵
Owner TAICANG LIANAN NEW INSULATION MATERIAL MFG WORKS