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Polyurethane foam material for packaging and preparation method thereof

A technology of polyurethane foam and foam stabilizer, applied in the field of chemical materials, can solve the problems of fixed material density, insufficient elasticity of foam plastic, white pollution, etc., and achieve the effects of stable product quality, stable foaming process, and simple process

Active Publication Date: 2016-10-12
SHANDONG INOV NEW MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, polystyrene foam (EPS) materials are commonly used in the market for the packaging of various lighting and other fragile items, precision instruments, mechanical parts and other commodities. This type of material has certain shock absorption properties, but there are also many problems. : First, the degradability is poor, resulting in serious white pollution; second, the density of the material is relatively fixed and cannot be adjusted; another point is that this type of material often needs to be molded in advance, and the final product has a fixed shape and must be packaged according to the requirements. The shape of the item is customized first and the mold is re-produced
[0004] Rigid polyurethane foam is not flexible enough to be used as a packaging material, while soft polyurethane foam is not strong enough to play a good protective role as a packaging material. Although conventional semi-rigid polyurethane foam has a certain energy-absorbing effect , but because the main polyether is often all low-functionality, high-molecular-weight soft foam polyether, the internal strength is insufficient, and the prepared foam can only be used to pack lightweight glass products, and it still cannot play a sufficient role in metal products. Protective effects

Method used

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  • Polyurethane foam material for packaging and preparation method thereof
  • Polyurethane foam material for packaging and preparation method thereof
  • Polyurethane foam material for packaging and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] (1) Prepare A component: 100kg, weigh YEP-330N, 50kg, YNW-8345, 21kg, YNW-310, 20kg, L-6868, 0.8kg, water, 5kg, A-1, 1kg, A- 33. 0.7kg, potassium isooctanoate, 0.5kg, color paste, 1kg. Add the weighed polyether polyol A, polyether polyol B, polyether polyol C, foam stabilizer, water, catalyst A, catalyst B, and color paste into the reaction kettle in sequence, and stir at room temperature for 2 hours , after the sampling test is qualified, it can be loaded into barrels.

[0028] (2) Component B: polymethyl polyphenyl polyisocyanate, 100kg, weighed for future use.

[0029] (3) Component A and component B were poured into the mold through a pouring machine at a weight ratio of 100:100, and then formed and matured to obtain a product. The performance indicators of the tested product are shown in Table 1.

Embodiment 2

[0031] (1) Prepare A component: 100kg, respectively weigh YEP-330N, 40kg, YNW-8345, 28kg, YNW-305, 20kg, L-580, 0.3kg, L-6868, 0.3kg, water, 8kg, A -1, 1.3kg, A-33, 0.6kg, potassium isooctanoate, 1kg, color paste, 0.5kg. Add the weighed polyether polyol A, polyether polyol B, polyether polyol C, foam stabilizer, water, catalyst A, catalyst B, and color paste into the reaction kettle in sequence, and stir at room temperature for 2 hours , after the sampling test is qualified, it can be loaded into barrels.

[0032] (2) Component B: polymethyl polyphenyl polyisocyanate, 100kg, weighed for future use.

[0033] (3) Mix component A and component B in a weight ratio of 100:100, mix them evenly with a hand drill, inject them into the cavity of the object to be packaged, and form and mature the product to obtain the product. The performance indicators of the tested product are shown in Table 1 .

Embodiment 3

[0035] (1) Prepare A component: 100kg, weigh YEP-330N, 36kg, YNW-8345, 25kg, YNW-305, 15kg, L-580, 0.8kg, water, 20kg, A-1, 1.1kg, A -33, 0.5kg, potassium isooctanoate, 0.8kg, color paste, 0.8kg. Add the weighed polyether polyol A, polyether polyol B, polyether polyol C, foam stabilizer, water, catalyst A, catalyst B, and color paste into the reaction kettle in sequence, and stir at room temperature for 2 hours , after the sampling test is qualified, it can be loaded into barrels.

[0036] (2) Component B: polymethyl polyphenyl polyisocyanate, 100kg, weighed for future use.

[0037] (3) Component A and component B were poured into the mold through a pouring machine at a weight ratio of 100:100, and then formed and matured to obtain a product. The performance indicators of the tested product are shown in Table 1.

[0038] The basic performance index of the product that table 1 embodiment 1-3 makes

[0039]

[0040]

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Abstract

Belonging to the technical field of chemical materials, the invention in particular relates to a polyurethane foam material for packaging and a preparation method thereof. The polyurethane foam material for packaging is composed of a component A and a component B, the component A consists of: polyether polyol A, polyether polyol B, polyether polyol C, a foam stabilizer, water, a catalyst A, a catalyst B, and a color past, and the component B is polymethine polyphenyl polyisocyanate. The method provided by the invention is carried out under normal temperature and atmospheric pressure, the process is simple and easy to operate, is low in volatilization, and has no three wastes, also the product quality is stable.

Description

technical field [0001] The invention belongs to the technical field of chemical materials, and in particular relates to a polyurethane foam material used for packaging and a preparation method thereof. Background technique [0002] At present, polystyrene foam (EPS) materials are commonly used in the market for the packaging of various lighting and other fragile items, precision instruments, mechanical parts and other commodities. This type of material has certain shock absorption properties, but there are also many problems. : First, the degradability is poor, resulting in serious white pollution; second, the density of the material is relatively fixed and cannot be adjusted; another point is that this type of material often needs to be molded in advance, and the final product has a fixed shape and must be packaged according to the requirements. The shape of the item is customized first and the mold is re-produced. [0003] The polyurethane foam material is fast in forming...

Claims

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Application Information

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IPC IPC(8): C08G18/48C08G18/16C08G18/18C08G101/00
CPCC08G18/163C08G18/1808C08G18/1833C08G18/4812C08G18/4841C08G18/4883C08G2110/0083
Inventor 宁晓龙马海晶董卫程铸洪
Owner SHANDONG INOV NEW MATERIALS CO LTD
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