Halogen-free flame-retardant master batch
A flame retardant masterbatch and flame retardant technology, applied in the field of halogen-free flame retardant masterbatch, can solve the problems of easy decomposition, poor thermal stability, strong hygroscopicity of intumescent flame retardants, etc., and achieve easy dispersion and flame retardant efficiency High, easy processing and preservation effect
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Embodiment 1
[0022] A halogen-free flame-retardant masterbatch, the halogen-free flame-retardant masterbatch is composed of the following raw materials in parts by mass:
[0023] Halogen-free flame retardant: 50 parts. In this embodiment, the halogen-free flame retardant is a phosphorus-nitrogen intumescent flame retardant, and the flame retardant is composed of an acid source, a gas source, and a carbon source in a mass ratio of 1:1: 1, the acid source described in this embodiment is ammonium polyphosphate, the gas source is melamine, and the carbon source is pentaerythritol.
[0024] Polyolefin carrier: 30 parts. In this embodiment, LDPE is used as the polyolefin carrier.
[0025] Silicone oil: 1.5 parts. In this embodiment, the silicone oil is methyl silicone oil.
[0026] Coupling agent: 1.5 parts. In this embodiment, a solid titanate coupling agent with a molecular weight greater than 800 is used as the coupling agent.
[0027] When preparing, first weigh the above raw materials acc...
Embodiment 2
[0029] A halogen-free flame-retardant masterbatch, the halogen-free flame-retardant masterbatch is composed of the following raw materials in parts by mass:
[0030] Halogen-free flame retardant: 30 parts. In this embodiment, the halogen-free flame retardant is a phosphorus-nitrogen intumescent flame retardant, and the flame retardant is composed of an acid source, a gas source, and a carbon source in a mass ratio of 1:10: 0.5 ratio mixed composition, the acid source described in the present embodiment is phosphoric acid, the described gas source is dicyandiamide, and the described carbon source is sorbic acid.
[0031] Polyolefin carrier: 20 parts. In this embodiment, the polyolefin carrier adopts propylene-based elastomer.
[0032] Silicone oil: 0.2 parts. In this embodiment, the silicone oil is hydroxyl silicone oil.
[0033] Coupling agent: 0.5 parts. In this embodiment, solid titanate coupling agent with a molecular weight greater than 800 is used as the coupling agent. ...
Embodiment 3
[0036] A halogen-free flame-retardant masterbatch, the halogen-free flame-retardant masterbatch is composed of the following raw materials in parts by mass:
[0037] Halogen-free flame retardant: 40 parts. In this embodiment, the halogen-free flame retardant is a phosphorus-nitrogen intumescent flame retardant, and the flame retardant is composed of an acid source, a gas source, and a carbon source in a mass ratio of 1:2: 3 ratio mixing composition, the acid source described in this embodiment is phosphorus pentoxide, the gas source is ammonium polyphosphate, and the carbon source is cellulose.
[0038] Polyolefin carrier: 69.7 parts. In this embodiment, the polyolefin carrier is a mixture of LDPE and propylene-based elastomer, and the mass ratio of the two is 1:1.
[0039] Silicone oil: 0.5 part. In this embodiment, amino silicone oil is used as the silicone oil.
[0040] Coupling agent: 1 part. In this embodiment, a solid titanate coupling agent with a molecular weight grea...
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