CN101045354A

CN101045354A - Process for compounding and producing nanometer structure and oxygen retarded material i.e.No.3 type NZPP-R and NZPE-RT for heating tube

Info

Publication number: CN101045354A
Application number: CN 200610025360
Authority: CN
Inventors: 林世平
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-03-31
Filing date: 2006-03-31
Publication date: 2007-10-03

Abstract

An oxygen isolating nano-material used for antistaling plastic film or heating tube is disclosed, which can prevent the food from being oxidized and the heating tube from being corroded by oxygen. Said oxygen-isolated heating tube is prepared through using inorganic nanoparticles or nanoflakes to modify organic material, granulating, proportionally mixing them with PE-RT or PP-R, and extruding out to obtain III-type polypropene (NZPP-R) or refractory polyethene (NZPE-RT) tube.

Description

The nanostructured oxygen barrier material is effective three types of heating poly-bright rare (NZPP-R), heat-resisting PEF (NZPE-RT) preparation and production technology both

Materials such as the preservative films of a large amount of uses of China at present, heating pipe PP, PE, PEX, PE-RT, PB, PP-R, itself does not all have barriers function its material, in use easily give and produce a large amount of dissolved oxygens in the crisper, in the thermal medium recirculated water, severe oxidation also corrodes food and indoor and outdoor heating system metallic conduit, has brought serious threat and the former waste of money for this security of system.Plastic material and goods can not intercept in order to solve, the oxygen flow problem, and traditional method is to use the organic material polyvinyl alcohol under the help of adhesive, fuses at various frostings, forms multi-level surface and has the machine barrier material.This surface has the machine barrier material, and to be subjected to influence such as external force and serviceability temperature very big, and useful life is very short, can not satisfy long-term instructions for use.Cause the obstruct master batch with inorganic nano level and flaky material modification organic material, this material belongs to structural barrier material, has permanent barriers function, is not subjected to condition influence such as external force and serviceability temperature, and Acceptable life is permanent, can satisfy various customer requirements.

The low-temperature floor radiant heating mode is late 1990s to import China into, and this theory is that initiate in Europe, is extended to Korea S.Popularization through more than ten years has several ten million square meters normally to use in the northern area of China, strikes fire into the people's hearts., health comfortable, energy-conservation, attractive in appearancely just more and more be subjected to consumer's favor, form the main mode of the northern area of China warming gradually because of low-temperature floor radiant heating.Radiator, low-temperature floor radiant heating pipe market demand rise year by year, and market has brought business opportunity for production low-temperature floor radiant heating pipe enterprise.Yet, the existing a large amount of radiators that use, low-temperature floor radiant heating pipe PEX, PE-RT, PB, PP-R, etc. exist without hindrance every function, cause heating circulating water line system to produce a large amount of dissolved oxygens, severe oxidation, corrosion heating recirculated water metal tubes system and metal parts, the peace safety of serious threat heating circulating water line system; PAP, PEX can't recyclings, cause the big pressure of tool to environmental protection.All these have illustrated that existing a large amount of radiator, low-temperature floor radiant heating pipe PEX, PE-RT, PB, PP-R, PAP etc. that use need product up-gradation, the replacement.NZPP-R, NZPE-RT heating pipe are equipped with structure and intercept, again can recycling, meet the requirement of modern consumption theory fully, and be radiator, low-temperature floor radiant heating pipe PEX, PE-RT, PB, product up-gradation, replacement best products such as PP-R, PAP.NZPP-R, NZPE-RT are with inorganic modified organic, both enhance product performance, and reduce consuming again, save the consumption of organic plastics again, belong to energy-saving and environmental protection, consumption reduction, friendly type new product.The extensive application of NZPP-R, NZPE-RT, sharp in the present age, merit is in eternal lasting, to society, country is had reality and long-range meaning.

The invention reside in inorganic nano level flaky material modification organic material, make it reach the function of enhancing, obstruct.Radiator, the low-temperature floor radiant heating pipe made from this material is equipped with good temperature tolerance, resistance oxygen, pliability, high temperature creep-resisting, and have enhancings, toughness reinforcing, improve ring stress, the raising function in service life.Below just knot and instantiation be illustrated:

Nanostructured intercepts NZPE-RT, NZPP-R formula of master batch table (Wt%)

Title	Prescription 1	Title	Prescription 2
Title	Prescription 1	Title	Prescription 2	Nanometer CaCO ₃	10	Nanometer CaCO ₃	15
Nano imvite	20	Talcum powder	20	Nanometer CaCO ₃	10	Nanometer CaCO ₃	15
Nano imvite	20	Talcum powder	20	G302	3	G302	3
G402	6	G402	6	G302	3	G302	3
G402	6	G402	6	G502	5	G502	5
PE-RT or PP-R	56	PE-RT or PP-R	51	G502	5	G502	5

NZPP-R formula table (Wt%)

Individual layer		Intercept master batch	50％
		Intercept master batch	50％	PE-RT or PP-R	50％
		Two layers	Outer	PE-RT or PP-R	50％	Intercept master batch: PP-R	50∶50
Internal layer	PE-RT or PP-R		Outer	100％		Intercept master batch: PP-R	50∶50
Internal layer	PE-RT or PP-R		Three layers	100％	Ectonexine	Intercept master batch: PE-RT or PP-R	20∶80
The intermediate layer	Intercept master batch: PR-RT or PP-R	50∶50			Ectonexine	Intercept master batch: PE-RT or PP-R	20∶80

NZPE-RT, NZPP-R tubing physical property table

Project	Proving ring stress MPa	Test temperature/C	Test period/h	Experiment quantity/part	Index
Project	Proving ring stress MPa	Test temperature/C	Test period/h	Experiment quantity/part	Index	Vertically can shrinkage	——	110	1	3	＜2％
Hydrostatic experiment	20	20	1	3	The crack-free ne-leakage	Vertically can shrinkage	——	110	1	3	＜2％
	20	20	1	3		4.3	95	165	3
	4.2	95	1000	3		4.3	95	165	3
	4.2	95	1000	3		The stable down experiment of hydrostatic state	2.1	110	8760	1	The crack-free ne-leakage
Oxygen transmission rate	Oxygen transmission rate≤0.10g/ (m under 40 ℃ temperature ³.d)					The stable down experiment of hydrostatic state	2.1	110	8760	1	The crack-free ne-leakage

Claims

1, both poly-bright rare (NZPP-R), heat-resisting PEFs (NZPE-RT) of effective three types of heating of nanostructured barrier material, this pipe can make individual layer, two layers, three layers composition.

2, according to claims 1: this heating pipe is called for short NZPP-R, NZPE-RT.

3, according to claims 1: the prescription of this barrier material master batch (WT%) composed as follows.

1) nanoscale CaCO ₃5-----10%

2) inorganic flaky material 25-----10% (nano imvite, mica, talcous any)

3) phase solvent G302 3% (self-control)

4) flexibilizer G402 6% (self-control)

5) help connection agent G502 5% (self-control)

6) organic material 46----66% (PP, PE, PE-RT, PB, PP-R wherein a kind of).

4, according to claims 1.

The individual layer prescription is: PE-RT or PP-R raw material 55---85%

Intercept master batch: 45---15%.

Two layer formulas are: skin:: PE-RT or PP-R raw material 55---85%

Intercept master batch: 45---15%

Internal layer: PE-RT or PP-R raw material 100%.

Three layer formulas are: ectonexine: PE-RT or PP-R raw material 55---85%

Intercept master batch 45---15%

Middle level: intercept master batch 50---100%

PE-RT or PP-R raw material 50---0%.

5, according to claims 1: mono-layer tube is an extruder production; Two layers of pipe are that two extruder co-extrusions are produced; Three layers of Guan Weisan platform extruder co-extrusion are produced.